frontend-plugin-api: swtich IconApi.listIconKeys to return an array direcly instead

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

packages/frontend-app-api/src/apis/implementations/IconsApi/DefaultIconsApi.ts

@@ -32,7 +32,7 @@ export class DefaultIconsApi implements IconsApi {
     return this.#icons.get(key);
   }
 
-  listIconKeys: IconsApi['listIconKeys'] = () => {
-    return { keys: this.#icons.keys() };
-  };
+  listIconKeys(): string[] {
+    return Array.from(this.#icons.keys());
+  }
 }

packages/frontend-app-api/src/apis/implementations/IconsApi/index.ts

@@ -14,4 +14,4 @@
  * limitations under the License.
  */
 
-export { DefaultIconsApi } from './IconsApi';
+export { DefaultIconsApi } from './DefaultIconsApi';