Mm 52993 - expose enable user statuses to client (#25455)

* MM-52993_expose enable user statuses to client and prevent statuses fetch when disabled

* modify the logic, add selector, add unit tests

* implement PR feedback

* fix unit tests

* remove client console warnings

* remove another unnecessary call if the flag is disabled

* fix merge conflicts

webapp/platform/types/src/config.ts

@@ -57,6 +57,7 @@ export type ClientConfig = {
     EnableCustomEmoji: string;
     EnableCustomGroups: string;
     EnableCustomUserStatuses: string;
+    EnableUserStatuses: string;
     EnableLastActiveTime: string;
     EnableTimedDND: string;
     EnableCustomTermsOfService: string;