Import / export AdapterLitElement like the other exports

packages/common/index.js

@@ -6,6 +6,7 @@ import {Button, LoadingButton} from './src/button.js';
 import {Spinner} from './src/spinner.js';
 import {InlineNotification} from './src/inline-notification.js';
 import {Translated} from "./src/translated";
+import {AdapterLitElement} from './src/adapter-lit-element.js';
 
 export {EventBus, createLinkedAbortController, createTimeoutAbortSignal};
 export {getIconSVGURL, getIconCSS, Icon};
@@ -15,4 +16,4 @@ export {Spinner};
 export {InlineNotification};
 export {Translated};
 export * from './src/logger.js';
-export {AdapterLitElement} from './src/adapter-lit-element.js';
\ No newline at end of file
+export {AdapterLitElement};