[Gekidou] retry post (#6293)

* Add try again functionality to failed posts

* Fix attach files on Android

* feedback review

* Prevent android crash when uploading files for the first time

* Update the timestamp for updateAt when retrying to post

* Add POST TIME TO FAIL

* use function isPostFailed

types/database/models/servers/post.d.ts

@@ -92,4 +92,6 @@ export default class PostModel extends Model {
 
     /** hasReplies: Async function to determine if the post is part of a thread */
     hasReplies: () => Promise<boolean>;
+
+    toApi: () => Promise<Post>;
 }