fix UI depend on the new design

lib/features/booking_system/presentation/screens/booking_system_page.dart

@@ -26,16 +26,11 @@ class BookingSystemPage extends StatelessWidget {
               ..add(GetPastBookingsEvent()),
           )
         ],
-        child: DefaultScaffold(
-          appBar: BookingAppBar(),
         child: Padding(
           padding: EdgeInsets.symmetric(horizontal: 10),
           child: Column(
             crossAxisAlignment: CrossAxisAlignment.start,
             children: [
-                SizedBox(
-                  height: 20,
-                ),
               Expanded(
                 flex: 2,
                 child: CurrentBalanceWidget(
@@ -61,7 +56,6 @@ class BookingSystemPage extends StatelessWidget {
               )
             ],
           ),
-          ),
         ));
   }
 }

lib/features/booking_system/presentation/widgets/booking_appbar_widget.dart

@@ -10,10 +10,7 @@ class BookingAppBar extends StatelessWidget implements PreferredSizeWidget {
     return AppBar(
       backgroundColor: Colors.transparent,
       centerTitle: true,
-      leading: IconButton(
-          onPressed: () => Navigator.pop(context),
-          icon: Icon(Icons.arrow_back_ios_new)),
-      title: Text(
+      leading: Text(
         'Booking',
         style: TextStyle(
           color: ColorsManager.blueColor1,

lib/features/booking_system/presentation/widgets/past_booking_widget.dart

@@ -39,7 +39,7 @@ class PastBookingsWidget extends StatelessWidget {
               );
             } else if (state is PastBookingLoadedState) {
               return SizedBox(
-                height: deviceHeight(context) * 0.3,
+                height: deviceHeight(context) * 0.22,
                 child: state.pastBookings.isEmpty
                     ? Text('You Dont Have past Bookings')
                     : ListView.separated(