fix comments file action sidebar opening

Signed-off-by: Julien Veyssier <eneiluj@posteo.net>
Signed-off-by: npmbuildbot-nextcloud[bot] <npmbuildbot-nextcloud[bot]@users.noreply.github.com>

Author: Julien Veyssier

apps/comments/src/filesplugin.js

@@ -103,7 +103,7 @@
 					context.$file.find('.action-comment').tooltip('hide')
 					// open sidebar in comments section
 					OCA.Files.Sidebar.setActiveTab('comments')
-					OCA.Files.Sidebar.open('/' + fileName)
+					OCA.Files.Sidebar.open(context.dir + '/' + fileName)
 				},
 			})