subtract ap when casting spell

Changes:
 + subtract AP when casting a spell

source/module/sheets/M5CharacterSheet.ts

@@ -160,6 +160,7 @@ export default class M5CharacterSheet extends ActorSheet {
 			const context = this.actor as any;
 			const item = context.items.get(itemId) as M5Item;
 			await item.roll();
+			this.render();
 		});
 
 		html.find(".roll-brawl-button").on("click", async (event) => {