Fixes for merge conflicts and navbar metadata
added for user group pages.

Can move a dash from a folder back to root level as well

Dashboard folders included in all searches. If a dashboard matches
a search and has a parent folder then the parent folder is appended
to the search result. A hierarchy is then returned in the result
with child dashboards under their parent folders.

The guardian class checks if the user is allowed to get the
permissions for a dashboard.

If browsing, then show open folder icon. If searching, show
the closed folder icon

SQL Integration Tests for the guardian class too.

Removes restricted dashboards from search result.