Fixed TreeNode.DoesNotExist exception raised when exporting
and loading database contents via dumpdata and loaddata.
Fixed a bug where request.current_page would always be the public page,
regardless of the toolbar status (draft / live). This only affected custom
urls from an apphook.
Removed extra quotation mark from the sideframe button template
Fixed a bug where structureboard tried to preload markup when using legacy
renderer
Fixed a bug where updates on other tab are not correctly propagated if the
operation was to move a plugin in the top level of same placeholder
Fixed a bug where xframe options were processed by clickjacking middleware
when page was served from cache, rather then get this value from cache
Fixed a bug where cached page permissions overrides global permissions
Fixed a bug where plugins that are not rendered in content wouldn’t be
editable in structure board
Fixed a bug with expanding static placeholder by clicking on “Expand All” button
Fixed a bug where descendant pages with a custom url would lose the overwritten
url on save.
Fixed a bug where setting the on_delete option on PlaceholderField
and PageField fields would be ignored.
Fixed a bug when deleting a modal from changelist inside a modal
