MM-62564 - implement websockets for CPA (#30169)

* implement websockets for CPA

* fix for testing with server

* revert feature flag

* fix unit test

* update constant names

* add reconnect handler

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Co-authored-by: Mattermost Build <build@mattermost.com>

webapp/platform/types/src/users.ts

@@ -60,6 +60,7 @@ export type UserProfile = {
     terms_of_service_create_at: number;
     remote_id?: string;
     status?: string;
+    custom_profile_attributes?: Record<string, string>;
 };
 
 export type UserProfileWithLastViewAt = UserProfile & {