file chooser: Separate out delete and trash

We only ever show one of the two context menu items (and we prefer
Move to Trash over Delete). Only use the confirmation dialog when
deleting.

gtk/gtksearchenginesimple.c

@@ -222,6 +222,7 @@ visit_directory (GFile *dir, SearchThreadData *data)
                                           G_FILE_ATTRIBUTE_TIME_MODIFIED ","
                                           G_FILE_ATTRIBUTE_TIME_ACCESS ","
                                           G_FILE_ATTRIBUTE_ACCESS_CAN_RENAME ","
+                                          G_FILE_ATTRIBUTE_ACCESS_CAN_TRASH ","
                                           G_FILE_ATTRIBUTE_ACCESS_CAN_DELETE,
                                           G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS,
                                           data->cancellable, NULL);