* enables overwrite if dashboard allready exist in folder
* dashboard: Don't allow creating a folder named General
* dashboards: update logic for save/update dashboard
No id and uid creates a new dashboard/folder.
No id and uid, with an existing title in folder allows overwrite
of dashboard.
Id without uid, allows update of existing dashboard/folder without
overwrite.
Uid without id allows update of existing dashboard/folder without
overwrite.
Id without uid, with an existing title in folder allows overwrite
of dashboard/folder and updated will have the uid of overwritten.
Uid without id, with an existing title in folder allows overwrite
of dashboard/folder and new will have the same uid as provided.
Trying to change an existing folder to a dashboard yields error.
Trying to change an existing dashboard to a folder yields error.
* dashboards: include folder id when confirmed to save with overwrite
* dashboards: fixes due to new url structure
Return importedUrl property in response to importing dashboards and
getting plugin dashboards and use this for redirects/links in the
frontend.
* dashfolders: hide permissions in settings if folder has changed
and the dashboard has not been saved yet. Otherwise the use will
see stale permissions from the original folder.
* dashfolders: return folder url for inherited permissions
Change the front end route for folders to /dashboards/f/<uid>/<slug of folder title>.
Use new route for deleting dashboard/folder by uid.
Retrieve dashboard/folder by uid when moving or deleting dashboards/folders.
Editors should be able to create dashboards in root and should be
able to create folders. They cannot administrate permissions though
and these dashboards and folders will get the default permissions.
Introduces new url in api /dashboards/<uid> for fetching dashboard by unique id
Leave the old dashboard by slug url /dashboards/db/<slug> for backward
compatibility and for supporting fallback
WIP for #7883
