chore(mobile): i18n: "open_asset_info" in viewer kebab menu

i18n/en.json

@@ -1511,6 +1511,7 @@
   "online": "Online",
   "only_favorites": "Only favorites",
   "open": "Open",
+  "open_asset_info": "About",
   "open_in_map_view": "Open in map view",
   "open_in_openstreetmap": "Open in OpenStreetMap",
   "open_the_search_filters": "Open the search filters",

mobile/lib/presentation/widgets/asset_viewer/viewer_kebab_menu.widget.dart

@@ -19,7 +19,7 @@ class ViewerKebabMenu extends ConsumerWidget {
 
     final menuChildren = <Widget>[
       BaseActionButton(
-        label: 'about'.tr(),
+        label: 'open_asset_info'.tr(),
         iconData: Icons.info_outline,
         menuItem: true,
         onPressed: () => EventStream.shared.emit(const ViewerOpenBottomSheetEvent()),