detach namespace-store from kube-watch-api.ts, preload all namespaces by default with store.loadAll

Signed-off-by: Roman <ixrock@gmail.com>

src/renderer/components/+user-management-roles-bindings/add-role-binding-dialog.tsx

@@ -80,7 +80,7 @@ export class AddRoleBindingDialog extends React.Component<Props> {
     ];
 
     this.isLoading = true;
-    await Promise.all(stores.map(store => store.loadAll()));
+    await Promise.all(stores.map(store => store.loadSelectedNamespaces()));
     this.isLoading = false;
   }