Fixes window frames blocking bullets and thrown grenades (#22995)

- bugfix: "Fixed window frames blocking thrown grenades and bullets."
- bugfix: "Fixed grenades launched instead of being thrown getting stuck
on railings and tables."

code/game/objects/structures/full_window_frame.dm

@@ -6,7 +6,7 @@
 	maxhealth = OBJECT_HEALTH_MEDIUM
 	color = COLOR_GRAY20
 	build_amt = 4
-	pass_flags_self = PASSRAILING
+	pass_flags_self = PASSRAILING | LETPASSTHROW
 	layer = WINDOW_FRAME_LAYER
 	anchored = TRUE
 	density = TRUE
@@ -54,6 +54,10 @@
 		return TRUE
 	if(istype(mover, /obj/structure/closet/crate))
 		return TRUE
+	if(istype(mover,/obj/projectile))
+		return TRUE
+	if(mover.throwing)
+		return TRUE
 	if(istype(mover) && mover.pass_flags & PASSTABLE)
 		return TRUE
 	if(locate(/obj/structure/window_frame) in get_turf(mover))