ENCOA-109: Made the modal disappear when a user is created

src/pages/(admin)/UserCreator.tsx

@@ -54,7 +54,7 @@ const USER_TYPE_PERMISSIONS: {
 	},
 };
 
-export default function UserCreator({user}: {user: User}) {
+export default function UserCreator({user, onFinish}: {user: User; onFinish: () => void}) {
 	const [name, setName] = useState<string>();
 	const [email, setEmail] = useState<string>();
 	const [phone, setPhone] = useState<string>();
@@ -118,6 +118,7 @@ export default function UserCreator({user}: {user: User}) {
 			.post("/api/make_user", body)
 			.then(() => {
 				toast.success("That user has been created!");
+				onFinish();
 
 				setName("");
 				setEmail("");