efl_ui_spotlight_container: bring in min / max handling
the spotlight now is setting the overall correct min and max size on
itself. Additionally, the page size is now clamped to the size of the
Correct min size of the container is defined to the MAX min size of all
The correct max size of the container is defined to the MIN max size of
all the content.
Differential Revision: https://phab.enlightenment.org/D10766