MM-35392 Load thread unreads for other teams on app load (#17944)

* Add ability to include thread unreads in team unreads api response

* Do not include GMs/DMs in team unreads for threads

* Fix bad merge

api4/team.go

@@ -420,8 +420,9 @@ func getTeamsUnreadForUser(c *Context, w http.ResponseWriter, r *http.Request) {
 
 	// optional team id to be excluded from the result
 	teamId := r.URL.Query().Get("exclude_team")
+	includeCollapsedThreads := r.URL.Query().Get("include_collapsed_threads") == "true"
 
-	unreadTeamsList, err := c.App.GetTeamsUnreadForUser(teamId, c.Params.UserId)
+	unreadTeamsList, err := c.App.GetTeamsUnreadForUser(teamId, c.Params.UserId, includeCollapsedThreads)
 	if err != nil {
 		c.Err = err
 		return