[READY] BYOND 516 compatability (#25105)

* Preliminary changes for 516

* Also removes the goon folder

* Fixes a BUNCH of UIs

* update our things

* debug proc

* le maintainer verb

* fix strip panel

* browseroutput => chat_panel

* prettier, remove obsolete bat

* tidu tgui say css

* href purge

* 515 compat

* 515 compat 2

* more required chores

* comments

* fully working 515

* bungle

* correct this

* fixes 515 support

* prettier

* new CI

* fixes old href styles sneaking in

* update docs to reflect href changes

* more href fixes (thanks cdui)

* MORE href nonsense

* even more hrefs (seriously wtf)

* Update code/modules/admin/permissionverbs/permissionedit.dm

* error on fail

---------

Co-authored-by: AffectedArc07 <25063394+AffectedArc07@users.noreply.github.com>

code/modules/pda/messenger.dm

@@ -199,7 +199,7 @@
 			PM.conversations.Add("[pda.UID()]")
 
 		SStgui.update_uis(src)
-		PM.notify("<b>Message from [pda.owner] ([pda.ownjob]), </b>\"[t]\" (<a href='?src=[PM.UID()];choice=Message;target=[pda.UID()]'>Reply</a>)")
+		PM.notify("<b>Message from [pda.owner] ([pda.ownjob]), </b>\"[t]\" (<a href='byond://?src=[PM.UID()];choice=Message;target=[pda.UID()]'>Reply</a>)")
 		log_pda("(PDA: [src.name]) sent \"[t]\" to [P.name]", U)
 		var/log_message = "sent PDA message \"[t]\" using [pda]"
 		var/receiver