[sailfish-browser] Do not capture mouse events in ContextMenu owner
[sailfish-browser] Do not capture mouse events in ContextMenu owner

Root ListItem of the favorite delegate is responsible for creating,
destroying, and providing space for the ContextMenu.

rojkov/sailfish-browser,sailfishos/sailfish-browser,rojkov/sailfish-browser,alinelena/sailfish-browser,alinelena/sailfish-browser,alinelena/sailfish-browser,rojkov/sailfish-browser,alinelena/sailfish-browser,sailfishos/sailfish-browser,sailfishos/sailfish-browser,sailfishos/sailfish-browser,sailfishos/sailfish-browser