(bug 43052) dblClickEdit/rightClickEdit: Trigger ca-edit click.

To test, enable these preferences under "Editing":
* Enable section editing by right clicking on section titles
* Edit pages on double click

Change-Id: Ie8a35700bc9e74b24f234ea682ad25375e18bda4
Merge "(bug 43052) dblClickEdit/rightClickEdit: Trigger ca-edit click."