fix: bring back bottom bar inside sheet content (#511)

## Description
<!-- Briefly explain the purpose of this PR and what it accomplishes.
-->

## Additional Notes
<!-- Add any extra context or relevant information here. -->

## Type of Change
- [x] Bug fix
- [ ] New feature
- [ ] Breaking change
- [ ] Refactoring
- [ ] Documentation
- [ ] Chore

## Screenshots (if applicable)
before:
![ScreenShot 2025-01-04 at 10 48
51@2x](https://github.com/user-attachments/assets/3852ec7a-b5a2-4285-bc86-d6463b4db344)

after:
![ScreenShot 2025-01-04 at 10 49
02@2x](https://github.com/user-attachments/assets/d0b49fc2-22b6-4c5f-98aa-8f6e425a113a)

lib/app/router/components/sheet_content/sheet_content.dart

@@ -29,6 +29,7 @@ class SheetContent extends StatelessWidget {
       primary: true,
       extendBody: true,
       appBar: SheetDragHandle(topPadding: topPadding),
+      bottomBar: const SizedBox.shrink(),
       body: SheetShape(
         backgroundColor: backgroundColor,
         bottomPadding: bottomPadding,