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/ui/src/contextProviders/ViewportGridProvider.tsx

@@ -302,6 +302,7 @@ export function ViewportGridProvider({ children, service }) {
         setDisplaySetsForViewports,
         setLayout,
         reset,
+        onModeExit: reset,
         setCachedLayout,
         restoreCachedLayout,
         set,