* following https://review.openstack.org/#/c/266826/ suggestion: API requests
that required UI pagination will be passed via generic handler.
* At first I've written a decorator - which I didn't like,
feel faulty by design - too many returns and over complicated blocks...
Partially implements blueprint: mistral-dashboard-executions-screen
Change-Id: Ie131bf74a74b816d2779888c6c23e7bcfa4b8f22