Ports ticket system overhaul from downstream (#17063)

* Ports ticket system overhaul from downstream

* Various fixes

* fixes

* Update tickets.dm

* Update tickets.dm

* Update ticket.dm

* Refactor

---------

Co-authored-by: Kashargul <144968721+Kashargul@users.noreply.github.com>

code/modules/tgui/external.dm

@@ -102,7 +102,7 @@
  *
  * required payload list A list of the payload supposed to be set on the regular UI.
  */
-/datum/proc/tgui_fallback(list/payload)
+/datum/proc/tgui_fallback(list/payload, mob/user)
 	SHOULD_CALL_PARENT(TRUE)
 	SEND_SIGNAL(src, COMSIG_UI_FALLBACK, usr)
 

code/modules/tgui/states/mentor.dm

@@ -7,6 +7,6 @@
 GLOBAL_DATUM_INIT(tgui_mentor_state, /datum/tgui_state/mentor_state, new)
 
 /datum/tgui_state/mentor_state/can_use_topic(src_object, mob/user)
-	if(has_mentor_powers(user.client))
+	if(check_rights_for(user.client, R_ADMIN|R_EVENT|R_DEBUG|R_MENTOR))
 		return STATUS_INTERACTIVE
 	return STATUS_CLOSE

code/modules/tgui/states/ticket.dm

@@ -0,0 +1,13 @@
+/**
+ * tgui state: ticket_state
+ *
+ * Grants the user UI_INTERACTIVE, if a ticket is open.
+ */
+
+GLOBAL_DATUM_INIT(tgui_ticket_state, /datum/tgui_state/ticket_state, new)
+
+/datum/tgui_state/ticket_state/can_use_topic(src_object, mob/user)
+	//if (user.client.current_ticket)
+	//	return STATUS_INTERACTIVE
+	//return STATUS_CLOSE
+	return STATUS_INTERACTIVE

code/modules/tgui/tgui.dm

@@ -430,7 +430,7 @@
 			#ifdef TGUI_DEBUGGING
 			log_tgui(user, "Fallback Triggered: [href_list["payload"]], Window: [window.id], Source: [src_object]")
 			#endif
-			src_object.tgui_fallback(payload)
+			src_object.tgui_fallback(payload, user)
 		if(TGUI_MANAGED_BYONDUI_TYPE_RENDER)
 			var/byond_ui_id = payload[TGUI_MANAGED_BYONDUI_PAYLOAD_ID]
 			if(!byond_ui_id || LAZYLEN(open_byondui_elements) > TGUI_MANAGED_BYONDUI_LIMIT)