fixes some examine issues (#22852)

code/modules/atmospherics/machinery/pipes/cap.dm

@@ -19,7 +19,6 @@
 /obj/machinery/atmospherics/pipe/cap/examine(mob/user)
 	. = ..()
 	. += "<span class='notice'>Largely cosmetic as pipes automatically seal themselves off from leaking gases if not connected to another pipe. Will prevent a nasty ventcrawler from paying you a visit however.</span>"
-	return "This is a cosmetic attachment, as pipes currently do not spill their contents into the air."
 
 /obj/machinery/atmospherics/pipe/cap/hide(i)
 	if(level == 1 && issimulatedturf(loc))

code/modules/projectiles/guns/projectile/shotgun.dm

@@ -296,7 +296,7 @@
 	mag_type = /obj/item/ammo_box/magazine/internal/boltaction/enchanted/arcane_barrage
 
 /obj/item/gun/projectile/shotgun/boltaction/enchanted/arcane_barrage/examine(mob/user)
-	. = desc // Override since magical hand lasers don't have chambers or bolts
+	return build_base_description() // Override since magical hand lasers don't have chambers or bolts
 
 /obj/item/gun/projectile/shotgun/boltaction/enchanted/arcane_barrage/discard_gun(mob/living/user)
 	qdel(src)

code/modules/ruins/lavalandruin_code/dead_ratvar.dm

@@ -25,6 +25,8 @@
 /obj/effect/clockwork/overlay/examine(mob/user)
 	if(linked)
 		return linked.examine(user)
+	else
+		. = ..()
 
 /obj/effect/clockwork/overlay/ex_act()
 	return FALSE