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

modes/longitudinal/src/index.js

@@ -67,7 +67,13 @@ function modeFactory() {
      * Lifecycle hooks
      */
     onModeEnter: ({ servicesManager, extensionManager, commandsManager }) => {
-      const { ToolBarService, ToolGroupService } = servicesManager.services;
+      const {
+        MeasurementService,
+        ToolBarService,
+        ToolGroupService,
+      } = servicesManager.services;
+
+      MeasurementService.clearMeasurements();
 
       // Init Default and SR ToolGroups
       initToolGroups(extensionManager, ToolGroupService, commandsManager);