fix: improve tap gesture detection on post/article cells (#490)

## 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)
<!-- Include screenshots to demonstrate any UI changes. -->
<!-- <img width="180" alt="image" src="image_url_here"> -->

lib/app/features/components/entities_list/components/article_list_item.dart

@@ -20,6 +20,7 @@ class ArticleListItem extends ConsumerWidget {
     return Padding(
       padding: EdgeInsets.symmetric(vertical: 12.0.s),
       child: GestureDetector(
+        behavior: HitTestBehavior.opaque,
         onTap: () =>
             ArticleDetailsRoute(eventReference: eventReference.toString()).push<void>(context),
         child: Article(

lib/app/features/components/entities_list/components/generic_repost_list_item.dart

@@ -26,6 +26,7 @@ class GenericRepostListItem extends StatelessWidget {
     return GestureDetector(
       onTap: () =>
           ArticleDetailsRoute(eventReference: eventReference.toString()).push<void>(context),
+      behavior: HitTestBehavior.opaque,
       child: ScreenSideOffset.small(
         child: Column(
           children: [

lib/app/features/components/entities_list/components/post_list_item.dart

@@ -22,6 +22,7 @@ class PostListItem extends StatelessWidget {
 
     return GestureDetector(
       onTap: () => PostDetailsRoute(eventReference: eventReference.toString()).push<void>(context),
+      behavior: HitTestBehavior.opaque,
       child: ScreenSideOffset.small(
         child: Post(eventReference: eventReference, showParent: showParent),
       ),

lib/app/features/components/entities_list/components/repost_list_item.dart

@@ -19,6 +19,7 @@ class RepostListItem extends StatelessWidget {
 
     return GestureDetector(
       onTap: () => PostDetailsRoute(eventReference: eventReference.toString()).push<void>(context),
+      behavior: HitTestBehavior.opaque,
       child: ScreenSideOffset.small(
         child: Column(
           children: [