Some Protean fixes

-Fixes protean regeneration not working at all.
-Fixes not being able to get metal as blob.
-Fixes unblobbing as custom size breaking vertical offset.
-Adds a general use loadout fluff vest planned for a prottie char.
-Fixes blobmob being slow due to mob update movement delays.
-Gives protties trasheat verb.

code/modules/client/preference_setup/loadout/loadout_uniform_vr.dm

@@ -168,4 +168,8 @@ Swimsuits
 //Tron Siren outfit
 /datum/gear/uniform/siren
 	display_name = "jumpsuit, Siren"
-	path = /obj/item/clothing/under/fluff/siren
+	path = /obj/item/clothing/under/fluff/siren
+
+/datum/gear/uniform/suit/v_nanovest
+	display_name = "Varmacorp nanovest"
+	path = /obj/item/clothing/under/fluff/v_nanovest