feat(v4): Update the help center portal design (#10296)

Co-authored-by: Pranav <pranavrajs@gmail.com>

app/javascript/dashboard/store/modules/helpCenterPortals/getters.js

@@ -6,6 +6,8 @@ export const getters = {
   },
 
   isFetchingPortals: state => state.uiFlags.isFetching,
+  isCreatingPortal: state => state.uiFlags.isCreating,
+  isSwitchingPortal: state => state.uiFlags.isSwitching,
   portalBySlug:
     (...getterArguments) =>
     portalId => {
@@ -23,4 +25,5 @@ export const getters = {
   },
   count: state => state.portals.allIds.length || 0,
   getMeta: state => state.meta,
+  isSwitching: state => state.isSwitching,
 };