feat: delta sync (#18428)

* feat: delta sync

* fix: ignore iCloud assets

* feat: dev logs

* add full sync button

* remove photo_manager dep for sync

* misc logs and fix

* add time taken to DLog

* fix: build release iOS

* ios sync go brrr

* rename local sync service

* update isar fork

* rename to platform assets / albums

* fix ci check

---------

Co-authored-by: shenlong-tanwen <139912620+shalong-tanwen@users.noreply.github.com>
Co-authored-by: Alex <alex.tran1502@gmail.com>

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

@@ -0,0 +1,70 @@
+enum BackupSelection {
+  none,
+  selected,
+  excluded,
+}
+
+class LocalAlbum {
+  final String id;
+  final String name;
+  final DateTime updatedAt;
+
+  final int assetCount;
+  final BackupSelection backupSelection;
+
+  const LocalAlbum({
+    required this.id,
+    required this.name,
+    required this.updatedAt,
+    this.assetCount = 0,
+    this.backupSelection = BackupSelection.none,
+  });
+
+  LocalAlbum copyWith({
+    String? id,
+    String? name,
+    DateTime? updatedAt,
+    int? assetCount,
+    BackupSelection? backupSelection,
+  }) {
+    return LocalAlbum(
+      id: id ?? this.id,
+      name: name ?? this.name,
+      updatedAt: updatedAt ?? this.updatedAt,
+      assetCount: assetCount ?? this.assetCount,
+      backupSelection: backupSelection ?? this.backupSelection,
+    );
+  }
+
+  @override
+  bool operator ==(Object other) {
+    if (other is! LocalAlbum) return false;
+    if (identical(this, other)) return true;
+
+    return other.id == id &&
+        other.name == name &&
+        other.updatedAt == updatedAt &&
+        other.assetCount == assetCount &&
+        other.backupSelection == backupSelection;
+  }
+
+  @override
+  int get hashCode {
+    return id.hashCode ^
+        name.hashCode ^
+        updatedAt.hashCode ^
+        assetCount.hashCode ^
+        backupSelection.hashCode;
+  }
+
+  @override
+  String toString() {
+    return '''LocalAlbum: {
+id: $id,
+name: $name,
+updatedAt: $updatedAt,
+assetCount: $assetCount,
+backupSelection: $backupSelection,
+}''';
+  }
+}