Normalize item like/dislike template variable name

src/Object/Post.php

@@ -474,8 +474,8 @@ class Post
 			'filer'           => $filer,
 			'drop'            => $drop,
 			'vote'            => $buttons,
-			'like'            => $responses['like']['output'],
-			'dislike'         => $responses['dislike']['output'],
+			'like_html'       => $responses['like']['output'],
+			'dislike_html'    => $responses['dislike']['output'],
 			'responses'       => $responses,
 			'switchcomment'   => DI::l10n()->t('Comment'),
 			'reply_label'     => DI::l10n()->t('Reply to %s', $name_e),