Update prompt_screen.dart (#2293)

An Render Flex overflow issue with a 29-pixel bottom margin occurs when
several items are selected.

*Replace this paragraph with a description of what this PR is changing
or adding, and why. Consider including before/after screenshots.*

*List which issues are fixed by this PR. For larger changes, raising an
issue first helps
reduce redundant work.*

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advice.
- [ ] I signed the [CLA].
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ai_recipe_generation/lib/features/prompt/prompt_screen.dart

@@ -337,9 +337,11 @@ class _FilterChipSection extends StatelessWidget {
                 style: MarketplaceTheme.dossierParagraph,
               ),
             ),
-            Padding(
-              padding: const EdgeInsets.all(8.0),
-              child: child,
+            Expanded(
+              child: Padding(
+                padding: const EdgeInsets.all(8.0),
+                child: child,
+              ),
             ),
           ],
         ),