Requires a screen with working context permission parsing. Currently,
all context permission requests fail because the parsing is incorrect.
A context permission is added temporarily to prevent CLOSE/CREATE
events when Qt reparents foreign windows. Qt does this temporarily
when a foreign window is wrapped in a widget.
Change-Id: I84c18e70d43239286fcd53715332d7015cf1a826
Reviewed-by: Rafael Roquetto <rafael@roquetto.com>