Fix multiple pref issues (#18083)

* fix tail alyering pref

* .

* .

* .

* .

* -

* return

* fix that

* write needs save after

* urg

* ban slot change mid round

* -

* .

* properly save

* .

* queue to ss

* read current

* performance

* .

* .

* bit better optimized

* no resetsploit

* this works at least but is it proper (#13)

* this works at least but is it proper

* Update changeling.dm

* this too...

* dont be private

* fix asset ss

---------

Co-authored-by: C.L. <killer65311@gmail.com>

code/modules/client/preferences_tgui.dm

@@ -136,6 +136,9 @@
 	switch(action)
 		// Basic actions
 		if("load")
+			if(!isnewplayer(ui.user))
+				to_chat(ui.user, span_userdanger("You can't change your character slot while being in round."))
+				return FALSE
 			if(!IsGuestKey(ui.user.key))
 				open_load_dialog(ui.user)
 			. = TRUE
@@ -152,6 +155,8 @@
 			sanitize_preferences()
 			. = TRUE
 		if("resetslot")
+			if(!isnewplayer(ui.user))
+				to_chat(ui.user, span_userdanger("You can't change your character slot while being in round."))
 			if("Yes" != tgui_alert(ui.user, "This will reset the current slot. Continue?", "Reset current slot?", list("No", "Yes")))
 				return
 			if("Yes" != tgui_alert(ui.user, "Are you completely sure that you want to reset this character slot?", "Reset current slot?", list("No", "Yes")))
@@ -160,6 +165,8 @@
 			sanitize_preferences()
 			. = TRUE
 		if("copy")
+			if(!isnewplayer(ui.user))
+				to_chat(ui.user, span_userdanger("You can't change your character slot while being in round."))
 			if(!IsGuestKey(ui.user.key))
 				open_copy_dialog(ui.user)
 			. = TRUE
@@ -192,7 +199,7 @@
 	PMH.screen_loc = LAZYACCESS(preview_screen_locs, "PMH")
 
 /datum/preferences/tgui_close(mob/user)
-	// save_character()
+	load_character()
 	save_preferences()
 
 /datum/preferences/proc/create_character_profiles()