fix: page size back to 1000

Author: ben-pr-p

src/containers/AdminIncomingMessageList/index.jsx

@@ -446,7 +446,7 @@ export class AdminIncomingMessageList extends Component {
         <PaginatedUsersRetriever
           organizationId={organizationId}
           onUsersReceived={this.handleReassignmentTextersReceived}
-          pageSize={1}
+          pageSize={1000}
         />
         <PaginatedUsersRetriever
           organizationId={organizationId}