feat(CustomizationService):Add a customization service (#2984)

* feat(customization):Add a customization service

Update UICustomizationService to v3-stable.

Also, adds an example customization for tab colors

* moved the customization service to ui category

platform/core/src/extensions/ExtensionManager.test.js

@@ -235,6 +235,9 @@ describe('ExtensionManager.js', () => {
         getUtilityModule: () => {
           return [{}];
         },
+        getCustomizationModule: () => {
+          return [{}];
+        },
       };
 
       await extensionManager.registerExtension(extension);