[MIRROR] Fixes shields inhands [MDB IGNORE] (#16791)

* Fixes shields inhands (#70395)

Fixes #70377

Stobe shield has been broken for.... hell I don't even know how long lmao

cl ShizCalev
fix: Fixed some missing shield inhand icons.
fix: The strobe shield's inhand icon now plays the flashing animation when triggered again.
fix: The strobe shield will no longer blind the person holding it when it deflects a blow.
fix: The light from the strobe shield's flash no longer appears in your held inventory slot.
fix: Fixed the east facing left-handed strobe shield sprite being misaligned by two pixels.
/cl

* Fixes shields inhands

* goliath shield

Co-authored-by: ShizCalev <ShizCalev@users.noreply.github.com>
Co-authored-by: tastyfish <crazychris32@gmail.com>
Co-authored-by: Tom <8881105+tf-4@users.noreply.github.com>

code/modules/assembly/flash.dm

@@ -268,9 +268,8 @@
 	. = ..()
 	if(. & EMP_PROTECT_SELF)
 		return
-	if(!try_use_flash())
+	if(!AOE_flash())
 		return
-	AOE_flash()
 	burn_out()
 
 /obj/item/assembly/flash/activate()//AOE flash on signal received