improve loading of extension locales with fallback

src/editor/extensions/ext-connector/ext-connector.js

@@ -6,6 +6,7 @@
  * @copyright 2010 Alexis Deveria
  *
  */
+import {loadExtensionTranslation} from '../../locale.js';
 
 export default {
   name: 'connector',
@@ -350,8 +351,7 @@ export default {
         }
       }
     }];
-    // eslint-disable-next-line node/no-unsupported-features/es-syntax
-    const {default: strings} = await import(`./locale/${svgEditor.curPrefs.lang}.js`);
+    const strings = await loadExtensionTranslation('connector', svgEditor.curPrefs.lang);
     return {
       name: strings.name,
       svgicons: 'conn.svg',