feat(mobile): use shared native client (#25942)

* use shared client in dart

fix android

* websocket integration

platform-side headers

update comment

consistent platform check

tweak websocket handling

support streaming

* redundant logging

* fix proguard

* formatting

* handle onProgress

* support videos on ios

* inline return

* improved ios impl

* cleanup

* sync stopForegroundBackup

* voidify

* future already completed

* stream request on android

* outdated ios ws code

* use `choosePrivateKeyAlias`

* return result

* formatting

* update tests

* redundant check

* handle custom headers

* move completer outside of state

* persist auth

* dispose old socket

* use group id for cookies

* redundant headers

* cache global ref

* handle network switching

* handle basic auth

* apply custom headers immediately

* video player update

* fix

* persist url

* potential logout fix

---------

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

mobile/lib/providers/backup/backup.provider.dart

@@ -1,6 +1,6 @@
+import 'dart:async';
 import 'dart:io';
 
-import 'package:cancellation_token_http/http.dart';
 import 'package:collection/collection.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
 import 'package:immich_mobile/domain/models/store.model.dart';
@@ -68,7 +68,6 @@ class BackupNotifier extends StateNotifier<BackUpState> {
           progressInFileSpeeds: const [],
           progressInFileSpeedUpdateTime: DateTime.now(),
           progressInFileSpeedUpdateSentBytes: 0,
-          cancelToken: CancellationToken(),
           autoBackup: Store.get(StoreKey.autoBackup, false),
           backgroundBackup: Store.get(StoreKey.backgroundBackup, false),
           backupRequireWifi: Store.get(StoreKey.backupRequireWifi, true),
@@ -102,6 +101,7 @@ class BackupNotifier extends StateNotifier<BackUpState> {
   final FileMediaRepository _fileMediaRepository;
   final BackupAlbumService _backupAlbumService;
   final Ref ref;
+  Completer<void>? _cancelToken;
 
   ///
   /// UI INTERACTION
@@ -454,7 +454,8 @@ class BackupNotifier extends StateNotifier<BackUpState> {
       }
 
       // Perform Backup
-      state = state.copyWith(cancelToken: CancellationToken());
+      _cancelToken?.complete();
+      _cancelToken = Completer<void>();
 
       final pmProgressHandler = Platform.isIOS ? PMProgressHandler() : null;
 
@@ -465,7 +466,7 @@ class BackupNotifier extends StateNotifier<BackUpState> {
 
       await _backupService.backupAsset(
         assetsWillBeBackup,
-        state.cancelToken,
+        _cancelToken!,
         pmProgressHandler: pmProgressHandler,
         onSuccess: _onAssetUploaded,
         onProgress: _onUploadProgress,
@@ -494,7 +495,8 @@ class BackupNotifier extends StateNotifier<BackUpState> {
     if (state.backupProgress != BackUpProgressEnum.inProgress) {
       notifyBackgroundServiceCanRun();
     }
-    state.cancelToken.cancel();
+    _cancelToken?.complete();
+    _cancelToken = null;
     state = state.copyWith(
       backupProgress: BackUpProgressEnum.idle,
       progressInPercentage: 0.0,