fix(overmind-angular): fix typing

Author: christianalfoni

packages/node_modules/overmind-angular/src/index.ts

@@ -87,9 +87,9 @@ export class Service<App extends Overmind<any>> {
     }
   }
   select<T>(expr: (state: App['state']) => T): Observable<T>
-  select(): Observable<App['state']> {
-    return this.state$.pipe(
-      map((value) => (arguments[0] ? arguments[0](value) : value))
-    )
+  select(): Observable<App['state']>
+  select() {
+    const args = arguments
+    return this.state$.pipe(map((value) => (args[0] ? args[0](value) : value)))
   }
 }