fix(app): add HitTestBehavior.opaque to mode toggles in CameraDrawer to resolve tap event bugs

lib/features/camera/camera_drawer.dart

@@ -134,8 +134,9 @@ class _CameraDrawerState extends ConsumerState<CameraDrawer> {
                       padding: const EdgeInsets.all(4.0),
                       child: Row(
                         children: [
-                          Expanded(
+                           Expanded(
                             child: GestureDetector(
+                              behavior: HitTestBehavior.opaque,
                               onTap: () {
                                 ref.read(scanModeProvider.notifier).state = 'DO';
                               },
@@ -177,6 +178,7 @@ class _CameraDrawerState extends ConsumerState<CameraDrawer> {
                           ),
                           Expanded(
                             child: GestureDetector(
+                              behavior: HitTestBehavior.opaque,
                               onTap: () {
                                 ref.read(scanModeProvider.notifier).state = 'Product';
                               },