refactor: yeet old timeline (#27666)

* refactor: yank old timeline

# Conflicts:
#	mobile/lib/presentation/pages/editing/drift_edit.page.dart
#	mobile/lib/providers/websocket.provider.dart
#	mobile/lib/routing/router.dart

* more cleanup

* remove native code

* chore: bump sqlite-data version

* remove old background tasks from BGTaskSchedulerPermittedIdentifiers

* rebase

---------

Co-authored-by: shenlong-tanwen <139912620+shalong-tanwen@users.noreply.github.com>

mobile/lib/domain/models/device_asset.model.dart

@@ -1,34 +0,0 @@
-import 'dart:typed_data';
-
-class DeviceAsset {
-  final String assetId;
-  final Uint8List hash;
-  final DateTime modifiedTime;
-
-  const DeviceAsset({required this.assetId, required this.hash, required this.modifiedTime});
-
-  @override
-  bool operator ==(covariant DeviceAsset other) {
-    if (identical(this, other)) return true;
-
-    return other.assetId == assetId && other.hash == hash && other.modifiedTime == modifiedTime;
-  }
-
-  @override
-  int get hashCode {
-    return assetId.hashCode ^ hash.hashCode ^ modifiedTime.hashCode;
-  }
-
-  @override
-  String toString() {
-    return 'DeviceAsset(assetId: $assetId, hash: $hash, modifiedTime: $modifiedTime)';
-  }
-
-  DeviceAsset copyWith({String? assetId, Uint8List? hash, DateTime? modifiedTime}) {
-    return DeviceAsset(
-      assetId: assetId ?? this.assetId,
-      hash: hash ?? this.hash,
-      modifiedTime: modifiedTime ?? this.modifiedTime,
-    );
-  }
-}