Fix text post indicator overflow

lib/src/features/post/presentation/utils/post_media_utils.dart

@@ -100,7 +100,7 @@ Future<ThunderPost> parsePost(ThunderPost post, bool fetchImageDimensions, bool
 
   // Set the proper alt text for the media
   if (media.mediaType == MediaType.text) {
-    media.altText = post.body;
+    media.altText = post.body ?? post.name;
   } else if (media.mediaType == MediaType.image) {
     media.altText = post.altText;
   }

lib/src/shared/content/widgets/media/media_view_text.dart

@@ -1,5 +1,7 @@
 import 'package:flutter/material.dart';
 
+import 'package:thunder/src/foundation/primitives/primitives.dart';
+
 class MediaViewText extends StatelessWidget {
   const MediaViewText({
     super.key,
@@ -17,13 +19,24 @@ class MediaViewText extends StatelessWidget {
       alpha: read == true ? 0.55 : 1.0,
     );
 
-    return Padding(
-      padding: const EdgeInsets.all(12.0),
-      child: Text(
-        text ?? '',
-        maxLines: 4,
-        overflow: TextOverflow.ellipsis,
-        style: theme.textTheme.bodyMedium?.copyWith(color: foreground),
+    return Container(
+      clipBehavior: Clip.hardEdge,
+      decoration: BoxDecoration(
+        borderRadius: BorderRadius.circular(12.0),
+        color: theme.colorScheme.surfaceContainerHighest.withValues(
+          alpha: read == true ? 0.55 : 1.0,
+        ),
+      ),
+      height: ViewMode.compact.height,
+      width: ViewMode.compact.height,
+      child: Padding(
+        padding: const EdgeInsets.all(12.0),
+        child: Text(
+          text ?? '',
+          maxLines: 4,
+          overflow: TextOverflow.ellipsis,
+          style: theme.textTheme.bodyMedium?.copyWith(color: foreground, fontSize: 8.0),
+        ),
       ),
     );
   }