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* outdated ios ws code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/presentation/widgets/action_buttons/upload_action_button.widget.dart

@@ -101,7 +101,8 @@ class _UploadProgressDialog extends ConsumerWidget {
       actions: [
         ImmichTextButton(
           onPressed: () {
-            ref.read(manualUploadCancelTokenProvider)?.cancel();
+            ref.read(manualUploadCancelTokenProvider)?.complete();
+            ref.read(manualUploadCancelTokenProvider.notifier).state = null;
             Navigator.of(context).pop();
           },
           labelText: 'cancel'.t(context: context),