Switch deprecated jquery accordion option autoHeight to heightStyle:content.
Add the `File::getModel()` and `Folder::getModel()` methods (see #5656)
Only show the "protected" checkbox for folders (see #5660)
Merge pull request #5661 from tristanlins/hotfix/jquery-accordion
Standardize the JS option whitespace
Re-add the row classes to the image gallery (see #5658)