feat(mobile): init of add quick action configurator and settings for viewer actions

mobile/lib/providers/infrastructure/viewer_quick_action_order.provider.dart

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+import 'dart:async';
+import 'package:flutter/foundation.dart';
+import 'package:immich_mobile/providers/app_settings.provider.dart';
+import 'package:immich_mobile/utils/action_button.utils.dart';
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+
+part 'viewer_quick_action_order.provider.g.dart';
+
+@Riverpod(keepAlive: true)
+class ViewerQuickActionOrder extends _$ViewerQuickActionOrder {
+  StreamSubscription<List<ActionButtonType>>? _subscription;
+
+  @override
+  List<ActionButtonType> build() {
+    final service = ref.watch(appSettingsServiceProvider);
+    final initial = ActionButtonBuilder.normalizeQuickActionOrder(service.getViewerQuickActionOrder());
+
+    _subscription ??= service.watchViewerQuickActionOrder().listen((order) {
+      state = ActionButtonBuilder.normalizeQuickActionOrder(order);
+    });
+
+    ref.onDispose(() {
+      _subscription?.cancel();
+      _subscription = null;
+    });
+
+    return initial;
+  }
+
+  Future<void> setOrder(List<ActionButtonType> order) async {
+    final normalized = ActionButtonBuilder.normalizeQuickActionOrder(order);
+
+    if (listEquals(state, normalized)) {
+      return;
+    }
+
+    final previous = state;
+    state = normalized;
+
+    try {
+      await ref.read(appSettingsServiceProvider).setViewerQuickActionOrder(normalized);
+    } catch (error) {
+      state = previous;
+      rethrow;
+    }
+  }
+}
+
+/// Mock class for testing
+abstract class ViewerQuickActionOrderInternal extends _$ViewerQuickActionOrder {}

mobile/lib/providers/infrastructure/viewer_quick_action_order.provider.g.dart

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+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'viewer_quick_action_order.provider.dart';
+
+// **************************************************************************
+// RiverpodGenerator
+// **************************************************************************
+
+String _$viewerQuickActionOrderHash() =>
+    r'd539bc6ba5fae4fa07a7c30c42d9f6aee1488f97';
+
+/// See also [ViewerQuickActionOrder].
+@ProviderFor(ViewerQuickActionOrder)
+final viewerQuickActionOrderProvider =
+    NotifierProvider<ViewerQuickActionOrder, List<ActionButtonType>>.internal(
+      ViewerQuickActionOrder.new,
+      name: r'viewerQuickActionOrderProvider',
+      debugGetCreateSourceHash: const bool.fromEnvironment('dart.vm.product')
+          ? null
+          : _$viewerQuickActionOrderHash,
+      dependencies: null,
+      allTransitiveDependencies: null,
+    );
+
+typedef _$ViewerQuickActionOrder = Notifier<List<ActionButtonType>>;
+// ignore_for_file: type=lint
+// ignore_for_file: subtype_of_sealed_class, invalid_use_of_internal_member, invalid_use_of_visible_for_testing_member, deprecated_member_use_from_same_package