516 compatibility for browsers (#20652)

this is a bit of

https://github.com/cmss13-devs/cmss13/pull/8646
https://github.com/cmss13-devs/cmss13/pull/8875
https://github.com/cmss13-devs/cmss13/pull/8606
https://github.com/cmss13-devs/cmss13/pull/8607
https://github.com/cmss13-devs/cmss13/pull/8359
https://github.com/cmss13-devs/cmss13/pull/7860
( and thus https://github.com/ParadiseSS13/Paradise/pull/25105
https://github.com/ParadiseSS13/Paradise/pull/25205
https://github.com/ParadiseSS13/Paradise/pull/25363
https://github.com/ParadiseSS13/Paradise/pull/26423 and
https://github.com/ParadiseSS13/Paradise/pull/26433 )
https://github.com/tgstation/tgstation/pull/89766

in order to work properly - using the efficient storage method, instead
of the byond json method - github pages needs to be enabled and built
from the gh-pages branch. because yeah

---------

Co-authored-by: harryob <55142896+harryob@users.noreply.github.com>

code/game/objects/items/weapons/manuals.dm

@@ -1495,7 +1495,7 @@
 
 /obj/item/book/manual/tcaf_pamphlet/attack_self(var/mob/user as mob)
 	if(src.dat)
-		user << browse("<TT><I>Penned by [author].</I></TT> <BR>" + "[dat]", "window=book")
+		user << browse(HTML_SKELETON("<TT><I>Penned by [author].</I></TT> <BR>" + "[dat]"), "window=book")
 		user.visible_message("[user] opens a pamphlet titled \"[src.title]\" and begins reading intently.")
 		playsound(loc, 'sound/bureaucracy/paperfold.ogg', 50, 1)
 		onclose(user, "book")

code/game/objects/items/weapons/storage/secure.dm

@@ -92,7 +92,7 @@ ABSTRACT_TYPE(/obj/item/storage/secure)
 		message = "*****"
 	dat += "<HR>\n>[message]<BR>\n<A href='byond://?src=[REF(src)];type=1'>1</A>-<A href='byond://?src=[REF(src)];type=2'>2</A>-<A href='byond://?src=[REF(src)];type=3'>3</A><BR>\n<A href='byond://?src=[REF(src)];type=4'>4</A>-<A href='byond://?src=[REF(src)];type=5'>5</A>-<A href='byond://?src=[REF(src)];type=6'>6</A><BR>\n<A href='byond://?src=[REF(src)];type=7'>7</A>-<A href='byond://?src=[REF(src)];type=8'>8</A>-<A href='byond://?src=[REF(src)];type=9'>9</A><BR>\n<A href='byond://?src=[REF(src)];type=R'>R</A>-<A href='byond://?src=[REF(src)];type=0'>0</A>-<A href='byond://?src=[REF(src)];type=E'>E</A><BR>\n</TT>"
 
-	user << browse(dat, "window=caselock;size=300x280")
+	user << browse(HTML_SKELETON(dat), "window=caselock;size=300x280")
 
 /obj/item/storage/secure/Topic(href, href_list)
 	..()

code/game/objects/items/weapons/teleportation.dm

@@ -55,7 +55,7 @@ Frequency:
 <A href='byond://?src=[REF(src)];freq=10'>+</A><BR>
 
 <A href='byond://?src=[REF(src)];refresh=1'>Refresh</A>"}
-	user << browse(dat, "window=radio")
+	user << browse(HTML_SKELETON(dat), "window=radio")
 	onclose(user, "radio")
 	return