Various Tweaks & Fixes (#15857)

* Stuff

* Grammar reviewer review

Co-authored-by: Sean Williams <12197162+S34NW@users.noreply.github.com>

* Shuttle call HTML fix

And multiline announcements too, à la #15645.

The clean_input() was causing the message to be encoded twice, and only decoded once. Removing it still encodes the string.

* Loadout revert

Co-authored-by: Sean Williams <12197162+S34NW@users.noreply.github.com>

code/game/objects/structures/crates_lockers/closets/secure/secure_closets.dm

@@ -69,7 +69,6 @@
 	togglelock(user)
 
 /obj/structure/closet/secure_closet/AltClick(mob/user)
-	..()
 	if(Adjacent(user))
 		togglelock(user)
 

code/game/objects/structures/window.dm

@@ -397,7 +397,8 @@
 	return TRUE
 
 /obj/structure/window/AltClick(mob/user)
-
+	if(fulltile) // Can't rotate these.
+		return ..()
 	if(user.incapacitated())
 		to_chat(user, "<span class='warning'>You can't do that right now!</span>")
 		return