NOTE: The foundation is layed - but the actual DELETE key functionality is disabled until we resolve the problem mentioned in linked ticket: http://jira.magnolia-cms.com/browse/MGNLUI-2106

Use the same technique as the ENTER key handling.

• WorkbenchViewImpl adds a vaadin DELETE key shortcut handler.
• The AbstractContentPresenter fires ItemShortcutKeyEvent event on eventBus.
• BrowserPresenter handles event, and calls executeDeleteAction().

Ive checked:
Pages
Contacts

Problem in Assets as there is a different command for deleting an asset and for deleting an assetfolder. So it would not really work here. Or id have to create an action that can handle both.

markAssetFolderAsDeleted - works on Assets and on Folders - so we could just have this one action - if its ok to have the same text.

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For now implement on Configuration App only.
Created linked ticket for setting up for the other apps as well.