Add handler to fetch all of the system permissions and load them into the state

resources/scripts/components/server/users/PermissionEditor.tsx

@@ -0,0 +1,10 @@
+import React from 'react';
+import { SubuserPermission } from '@/state/server/subusers';
+
+interface Props {
+    defaultPermissions: SubuserPermission[];
+}
+
+export default ({ defaultPermissions }: Props) => {
+    return null;
+};