feat(mobile): chat-style album activities timeline (#23185)

* feat(mobile): open assetviewer via album activities page

* adjust ui behavior: keep current asset & disable initial forcus

* init of v2...

* refactoring...

* refactor: remove _DismissibleWrapper

* feat: initial scrolling to bottom

* refactor: use feature toggle

* refactor: new route page

* fix: file name, dcm analyze

* fix: test failure

* fix: remove toggle and the exisitng style based on review feedback

* refactorr: rename methods for clarity in comment bubble widget

* chore: styling

---------

Co-authored-by: Alex <alex.tran1502@gmail.com>

mobile/lib/widgets/activities/dismissible_activity.dart

@@ -5,13 +5,17 @@ import 'package:immich_mobile/widgets/common/confirm_dialog.dart';
 /// Wraps an [ActivityTile] and makes it dismissible
 class DismissibleActivity extends StatelessWidget {
   final String activityId;
-  final ActivityTile body;
+  final Widget body;
   final Function(String)? onDismiss;
 
   const DismissibleActivity(this.activityId, this.body, {this.onDismiss, super.key});
 
   @override
   Widget build(BuildContext context) {
+    if (onDismiss == null) {
+      return body;
+    }
+
     return Dismissible(
       key: Key(activityId),
       dismissThresholds: const {DismissDirection.horizontal: 0.7},