fix fga pagination

Author: nicknisi

src/fga/utils/fga-paginatable.ts

@@ -4,14 +4,15 @@ import { Warning } from '../interfaces/warning.interface';
 import { PaginationOptions } from '../../common/interfaces';
 
 export class FgaPaginatable<T, P extends PaginationOptions = PaginationOptions> extends AutoPaginatable<T, P> {
-  protected override list!: FGAList<T>;
+  protected override list: FGAList<T>;
 
   constructor(
     list: FGAList<T>,
     apiCall: (params: PaginationOptions) => Promise<FGAList<T>>,
     options?: P,
   ) {
     super(list, apiCall, options);
+    this.list = list;
   }
 
   get warnings(): Warning[] | undefined {