MM-32655 - Collapsed threads websocket handling (#16909)

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

api4/user.go

@@ -2945,13 +2945,13 @@ func updateReadStateThreadByUser(c *Context, w http.ResponseWriter, r *http.Requ
 		return
 	}
 
-	err := c.App.UpdateThreadReadForUser(c.Params.UserId, c.Params.TeamId, c.Params.ThreadId, c.Params.Timestamp)
+	thread, err := c.App.UpdateThreadReadForUser(c.Params.UserId, c.Params.TeamId, c.Params.ThreadId, c.Params.Timestamp)
 	if err != nil {
 		c.Err = err
 		return
 	}
 
-	ReturnStatusOK(w)
+	w.Write([]byte(thread.ToJson()))
 
 	auditRec.Success()
 }
@@ -2973,7 +2973,7 @@ func unfollowThreadByUser(c *Context, w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	err := c.App.UpdateThreadFollowForUser(c.Params.UserId, c.Params.ThreadId, false)
+	err := c.App.UpdateThreadFollowForUser(c.Params.UserId, c.Params.TeamId, c.Params.ThreadId, false)
 	if err != nil {
 		c.Err = err
 		return
@@ -3001,7 +3001,7 @@ func followThreadByUser(c *Context, w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	err := c.App.UpdateThreadFollowForUser(c.Params.UserId, c.Params.ThreadId, true)
+	err := c.App.UpdateThreadFollowForUser(c.Params.UserId, c.Params.TeamId, c.Params.ThreadId, true)
 	if err != nil {
 		c.Err = err
 		return