♻️ Refactored attachment cache

lib/screens/explore.dart

@@ -53,7 +53,8 @@ class _ExploreScreenState extends State<ExploreScreen> {
         preload: SnPostPreload(
           attachments: attachments
               .where(
-                (ele) => out[i].body['attachments']?.contains(ele.rid) ?? false,
+                (ele) =>
+                    out[i].body['attachments']?.contains(ele?.rid) ?? false,
               )
               .toList(),
         ),

lib/screens/post/post_editor.dart

@@ -80,7 +80,6 @@ class _PostEditorScreenState extends State<PostEditorScreen> {
     _writeController.addAttachments(
       result.map((e) => PostWriteMedia.fromFile(e)),
     );
-    setState(() {});
   }
 
   @override