Unlock Cover when editor leaves Compose/Layout tabs #917
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When an Editor enters the Compose/Layout tabs, the Cover is locked. But when the Editor exit the Compose/Layout tabs the cover was not being unlocked for the other Editors. Now the cover is unlocked.
In the Compose/Layout tabs, a request is sent to Plone to unlock the cover, in the javascript unload event, which happens when the user leaves the page.
The
plone.UnlockHandler.execute
function, which was called previously, no longer exists in Plone 5.Fixes #916