Log status display changes (#72762)

## About The Pull Request
Changing the status displays creates an entry in game.log of who did it,
and from where.
## Why It's Good For The Game
Seeing "LOL PENIS" on the status displays with no way to track it gets
old after a while.
## Changelog
🆑 LT3
admin: Changing the station status displays now generates a log entry
/🆑

code/modules/modular_computers/file_system/programs/statusdisplay.dm

@@ -45,6 +45,7 @@
  */
 /datum/computer_file/program/status/proc/post_message(upper, lower)
 	post_status("message", upper, lower)
+	log_game("[key_name(usr)] has changed the station status display message to \"[upper] [lower]\" [loc_name(usr)]")
 
 /**
  * Post a picture to status displays
@@ -59,6 +60,8 @@
 	else
 		post_status("alert", picture)
 
+	log_game("[key_name(usr)] has changed the station status display message to \"[picture]\" [loc_name(usr)]")
+
 /datum/computer_file/program/status/ui_act(action, list/params, datum/tgui/ui)
 	. = ..()
 	if(.)