Handling OData V2 Edm.Decimal value (mocked) depending on the user locale (https://stackoverflow.com/a/66369255/5846045)

<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>Demo</title>
    <script id="sap-ui-bootstrap"
      src="https://sdk.openui5.org/nightly/resources/sap-ui-core.js"
      data-sap-ui-async="true"
      data-sap-ui-modules="sap/ui/thirdparty/sinon,sap/ui/thirdparty/datajs,demo/localService/mockserver"
      data-sap-ui-onInit="module:demo/init"
      data-sap-ui-resourceRoots='{ "demo": "./" }'
      data-sap-ui-excludeJQueryCompat="true"
      data-sap-ui-compatVersion="edge"
      data-sap-ui-xx-waitfortheme="init"
    ></script>
  </head>
  <body id="content" class="sapUiBody">
    <div data-sap-ui-component
      data-id="rootComponentContainer"
      data-name="demo"
      data-height="100%"
      data-settings='{ "id": "rootComponent" }'
    ></div>
  </body>
</html>

sap.ui.define([
  "sap/ui/core/UIComponent",
	"sap/ui/core/Configuration",
  "sap/ui/core/ComponentSupport",//https://github.com/SAP/ui5-tooling/issues/381
], (UIComponent, Configuration) => {
  "use strict";

  return UIComponent.extend("demo.Component", {
    metadata: {
      interfaces: [
        "sap.ui.core.IAsyncContentCreation",
      ],
      manifest: "json",
    },

		init() {
			UIComponent.prototype.init.apply(this, arguments);
			const detectedLang = Configuration.getLanguage();
			this.getModel("clientModel").setProperty("/", { number: "22000.01" });
			this.getModel("currentLanguage").setProperty("/", detectedLang);
    },

	});
});

{
  "_version": "1.48.0",
  "start_url": "index.html",
  "sap.app": {
    "id": "demo",
    "type": "application",
    "title": "Demo",
    "description": "Sample Code",
    "applicationVersion": {
      "version": "1.0.0"
    },
    "dataSources": {
      "MyNodes": {
        "uri": "/",
        "type": "OData",
        "settings": {
          "odataVersion": "2.0",
          "localUri": "localService/metadata.xml"
        }
      }
    }
  },
  "sap.ui": {
    "technology": "UI5",
    "deviceTypes": {
      "desktop": true,
      "tablet": true,
      "phone": true
    }
  },
  "sap.ui5": {
    "handleValidation": true,
    "dependencies": {
      "minUI5Version": "1.96",
      "libs": {
        "sap.ui.core": {},
        "sap.m": {}
      }
    },
    "models": {
      "": {
        "dataSource": "MyNodes",
        "preload": true,
        "settings": {
          "defaultBindingMode": "TwoWay"
        }
      },
      "currentLanguage": {
        "type": "sap.ui.model.json.JSONModel"
      },
      "clientModel": {
        "type": "sap.ui.model.json.JSONModel"
      }
    },
    "contentDensities": {
      "compact": true,
      "cozy": true
    },
    "rootView": {
      "viewName": "demo.view.Root",
      "id": "rootView",
      "type": "XML",
      "async": true,
      "height": "100%",
      "displayBlock": true
    }
  }
}

<mvc:View xmlns:mvc="sap.ui.core.mvc"
  xmlns="sap.m"
  xmlns:core="sap.ui.core"
  core:require="{
    ODataDecimalType: 'sap/ui/model/odata/type/Decimal',
    FloatType: 'sap/ui/model/type/Float'
  }"
  displayBlock="true"
  height="100%"
>
  <App autoFocus="false">
    <Page
      showHeader="false"
      binding="{/OrderSet(10248)}"
      class="sapUiResponsiveContentPadding" 
    >
      <VBox renderType="Bare">
        <Input
          value="{
            path: 'Freight',
            type: 'ODataDecimalType',
            formatOptions: {
              maxFractionDigits: 3,
              minFractionDigits: 2
            },
            constraints: {
              maximum: '99999.999',
              scale: '2'
            }
          }"
        />
        <ObjectAttribute
          title="Actual value in ODataModel"
          text="&#34;{Freight}&#34;"
        />
        <Input class="sapUiSmallMarginTop"
          value="{
            path: 'clientModel>/number',
            type: 'FloatType',
            formatOptions: {
              maxFractionDigits: 3,
              minFractionDigits: 2,
              parseAsString: true,
              emptyString: 0,
              roundingMode: 'AWAY_FROM_ZERO'
            },
            constraints: {
              maximum: '99999.99'
            }
          }"
        />
        <ObjectAttribute
          title="Actual value in ClientModel"
          text="&#34;{clientModel>/number}&#34;"
        />
        <ObjectStatus class="sapUiMediumMarginTop"
          title="Detected language"
          text="{currentLanguage>/}"
          state="Information"
          inverted="true"
        />
      </VBox>
    </Page>
  </App>
</mvc:View>

<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<edmx:Edmx Version="1.0"
	xmlns:edmx="http://schemas.microsoft.com/ado/2007/06/edmx"
	xmlns="http://schemas.microsoft.com/ado/2008/09/edm"
	xmlns:m="http://schemas.microsoft.com/ado/2007/08/dataservices/metadata"
	xmlns:sap="http://www.sap.com/Protocols/SAPData">
	<edmx:DataServices m:DataServiceVersion="2.0">
		<Schema Namespace="Demo" xml:lang="en" sap:schema-version="1">
			<EntityType Name="Order">
				<Key>
					<PropertyRef Name="OrderID" />
				</Key>
				<Property Name="OrderID" Type="Edm.Int32" Nullable="false"/>
				<Property Name="Freight" Type="Edm.Decimal" Nullable="false" />
			</EntityType>
			<EntityContainer Name="DemoEntities" m:IsDefaultEntityContainer="true">
				<EntitySet Name="OrderSet" EntityType="Demo.Order" />
			</EntityContainer>
		</Schema>
	</edmx:DataServices>
</edmx:Edmx>

sap.ui.define([
  "sap/ui/core/util/MockServer",
], (MockServer) => {
  "use strict";

  return {
    init: function() {
      MockServer.config({
        autoRespond: true,
        autoRespondAfter: 0,
      });
      const mockServer = new MockServer({
        rootUri: "/",
        recordRequests: false,
      });
      const pathPrefix = sap.ui.require.toUrl("demo/localService");
      mockServer.simulate(`${pathPrefix}/metadata.xml`, {
        sMockdataBaseUrl: `${pathPrefix}/mockdata`,
      });
      mockServer.start();
    }
  };
});

[
  {
    "OrderID": 10248,
    "Freight": "22000"
  }
]

sap.ui.require([
  "demo/localService/mockserver",
], mockserver => {
  "use strict";
  mockserver.init();
  sap.ui.require([ "sap/ui/core/ComponentSupport" ]);
});