[MIRROR] Improved PDA Direct Messenger [MDB IGNORE] (#22865)

* Improved PDA Direct Messenger

* resolve conflicts

* Delete ntmessenger.dm

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Co-authored-by: distributivgesetz <distributivgesetz93@gmail.com>
Co-authored-by: Giz <13398309+vinylspiders@users.noreply.github.com>

code/modules/modular_computers/file_system/program.dm

@@ -51,6 +51,14 @@
 	temp.usage_flags = usage_flags
 	return temp
 
+/**
+ * WARNING: this proc does not work the same as normal `ui_interact`, as the
+ * computer takes care of opening the UI. The `datum/tgui/ui` parameter will always exist.
+ * This proc only serves as a callback.
+ */
+/datum/computer_file/program/ui_interact(mob/user, datum/tgui/ui)
+	SHOULD_CALL_PARENT(FALSE)
+
 ///We are not calling parent as it's handled by the computer itself, this is only called after.
 /datum/computer_file/program/ui_act(action, params, datum/tgui/ui, datum/ui_state/state)
 	SHOULD_CALL_PARENT(FALSE)