The Creampie Throw Update (#17392)

* Items washing banana cream

Allow common methods of cleaning to wash banana cream pie off your face.

* Janiborg cream washing

Janiborgs can now wash cream by running over people.

* Added Creampie Overlay code

When a banana cream pie hits a target mob, it applies a new overlay to
the mob. This overlay can then be cleaned via soap, shower, cleaner
spray, etc.

* Cream Pie Throw Update

When hit by a banana cream pie:
Adds a creamy overlay to various mobs.
Knock targets off for less than a second.
Enable cleaning the overlay via soap, shower, and others means.

* else fix

replace unnecessary if w/ else

* Revert "else fix"

This reverts commit 5dc5707981f8bc312b8e3ac4ce9ab16e7f20c855.

* else fix

* Catch Fix

Catching a thrown cream pie will no longer delete the item in your hands

* Xeno State Creamy Fix

Tossing a cream pie will now apply the appropriate overlay to a dead or
sleeping xenomorph.

Unfortunately, the xenomorph is still able to shake the cream off by
switching state, and it keep pushing the wrong overlay on critical
xenomorphs.

* Human-only code

Simplify code to affect only humanoids.

* Revert "Human-only code"

This reverts commit f74cb0e3af08fc0b793987ed9711dbbfd4d8561b.

* Human Code Only

Pls no Travis

* Optimize code

As requested

* Bug Fix

Overlay no longer unwashable when species get changed via
badmin/magic/etc.

code/game/objects/structures/watercloset.dm

@@ -259,6 +259,7 @@
 
 
 /obj/machinery/shower/proc/wash_mob(mob/living/L)
+	L.wash_cream()
 	L.ExtinguishMob()
 	L.adjust_fire_stacks(-20) //Douse ourselves with water to avoid fire more easily
 	if(iscarbon(L))
@@ -407,6 +408,7 @@
 			var/mob/living/carbon/human/H = user
 			H.lip_style = null //Washes off lipstick
 			H.lip_color = initial(H.lip_color)
+			H.wash_cream()
 			H.regenerate_icons()
 		user.drowsyness = max(user.drowsyness - rand(2,3), 0) //Washing your face wakes you up if you're falling asleep
 	else