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* outdated ios ws code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/domain/services/background_worker.service.dart

@@ -3,7 +3,6 @@ import 'dart:io';
 import 'dart:ui';
 
 import 'package:background_downloader/background_downloader.dart';
-import 'package:cancellation_token_http/http.dart';
 import 'package:flutter/material.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
 import 'package:immich_mobile/constants/constants.dart';
@@ -28,7 +27,6 @@ import 'package:immich_mobile/services/localization.service.dart';
 import 'package:immich_mobile/services/foreground_upload.service.dart';
 import 'package:immich_mobile/utils/bootstrap.dart';
 import 'package:immich_mobile/utils/debug_print.dart';
-import 'package:immich_mobile/utils/http_ssl_options.dart';
 import 'package:immich_mobile/wm_executor.dart';
 import 'package:isar/isar.dart';
 import 'package:logging/logging.dart';
@@ -64,7 +62,7 @@ class BackgroundWorkerBgService extends BackgroundWorkerFlutterApi {
   final Drift _drift;
   final DriftLogger _driftLogger;
   final BackgroundWorkerBgHostApi _backgroundHostApi;
-  final CancellationToken _cancellationToken = CancellationToken();
+  final _cancellationToken = Completer<void>();
   final Logger _logger = Logger('BackgroundWorkerBgService');
 
   bool _isCleanedUp = false;
@@ -88,8 +86,6 @@ class BackgroundWorkerBgService extends BackgroundWorkerFlutterApi {
 
   Future<void> init() async {
     try {
-      HttpSSLOptions.apply();
-
       await Future.wait(
         [
           loadTranslations(),
@@ -198,7 +194,7 @@ class BackgroundWorkerBgService extends BackgroundWorkerFlutterApi {
       _ref?.dispose();
       _ref = null;
 
-      _cancellationToken.cancel();
+      _cancellationToken.complete();
       _logger.info("Cleaning up background worker");
 
       final cleanupFutures = [