feat(consultant): add chat getting room by user slug, fix stepper animation delay in registration

lib/features/chat/services/chat_service.dart

@@ -37,4 +37,9 @@ abstract class ChatService {
 
   @GET('/api/profile/ws/params')
   Future<WebsocketInfoModel> getWebsocket();
+
+  @GET('/api/chat/get_by_user/{user}')
+  Future<ChatRoomModel> getChatRoomIdByUserSlug({
+    @Path() required String user,
+  });
 }

lib/features/chat/services/chat_service.g.dart

@@ -198,6 +198,39 @@ class _ChatService implements ChatService {
     return _value;
   }
 
+  @override
+  Future<ChatRoomModel> getChatRoomIdByUserSlug({required String user}) async {
+    final _extra = <String, dynamic>{};
+    final queryParameters = <String, dynamic>{};
+    final _headers = <String, dynamic>{};
+    const Map<String, dynamic>? _data = null;
+    final _options = _setStreamType<ChatRoomModel>(Options(
+      method: 'GET',
+      headers: _headers,
+      extra: _extra,
+    )
+        .compose(
+          _dio.options,
+          '/api/chat/get_by_user/${user}',
+          queryParameters: queryParameters,
+          data: _data,
+        )
+        .copyWith(
+            baseUrl: _combineBaseUrls(
+          _dio.options.baseUrl,
+          baseUrl,
+        )));
+    final _result = await _dio.fetch<Map<String, dynamic>>(_options);
+    late ChatRoomModel _value;
+    try {
+      _value = ChatRoomModel.fromJson(_result.data!);
+    } on Object catch (e, s) {
+      errorLogger?.logError(e, s, _options);
+      rethrow;
+    }
+    return _value;
+  }
+
   RequestOptions _setStreamType<T>(RequestOptions requestOptions) {
     if (T != dynamic &&
         !(requestOptions.responseType == ResponseType.bytes ||

lib/features/consultant/become_consultant/presentation/pages/stepper_become_consultant_screen.dart

@@ -108,7 +108,7 @@ class _StepperBecomeConsultantScreenState extends State<StepperBecomeConsultantS
               duration: const Duration(milliseconds: 350),
               curve: Curves.easeInOut,
               tween: Tween<double>(
-                begin: 0,
+                begin: 1 / 6,
                 end: progressValue,
               ),
               builder: (context, value, _) => LinearProgressIndicator(

lib/features/registration/presentation/pages/registration_screen.dart

@@ -131,7 +131,7 @@ class _RegistrationScreenState extends State<RegistrationScreen> {
                     duration: const Duration(milliseconds: 350),
                     curve: Curves.easeInOut,
                     tween: Tween<double>(
-                      begin: 0,
+                      begin: 1 / 15,
                       end: progressValue,
                     ),
                     builder: (context, value, _) => LinearProgressIndicator(