[MIRROR] Add ability to adjust your layer/plane (#6726)

Co-authored-by: Casey <a.roaming.shadow@gmail.com>
Co-authored-by: Raeschen <rycoop29@gmail.com>

code/modules/mob/living/living_movement.dm

@@ -279,6 +279,8 @@ default behaviour is:
 		is_shifted = FALSE
 		pixel_x = default_pixel_x
 		pixel_y = default_pixel_y
+		layer = MOB_LAYER
+		plane = MOB_PLANE
 	// End VOREstation edit
 
 	if(pulling) // we were pulling a thing and didn't lose it during our move.