[MM-58355] Send invalidate cache message across the cluster so that websocket connections on other instances are invalidated correctly (#27204)

* [MM-58355] Send invalidate cache message across the cluster so that websocket connections on other instances are invalidated correctly

* Add suggestion to clear the session cache on the local node as well

* Force read from master DB when gettting channel members for websocket to avoid any DB sync issues

* PR feedback

* Missed generated files

server/channels/app/platform/web_hub.go

@@ -197,7 +197,7 @@ func (ps *PlatformService) InvalidateCacheForChannelPosts(channelID string) {
 
 func (ps *PlatformService) InvalidateCacheForUser(userID string) {
 	ps.Store.Channel().InvalidateAllChannelMembersForUser(userID)
-	ps.invalidateWebConnSessionCacheForUser(userID)
+	ps.ClearUserSessionCache(userID)
 
 	ps.Store.User().InvalidateProfilesInChannelCacheByUser(userID)
 	ps.Store.User().InvalidateProfileCacheForUser(userID)