efl_ui/layout: use min size hints when calculating layout size

efl_ui/layout: use min size hints when calculating layout size

Summary:
for legacy layouts, all min size hints should be considered when performing
size calculations

for non-legacy layouts, only "user" min size hints should be considered, as we
are calculating the restricted min size hint in this function

Depends on D9434

Reviewers: bu5hm4n

Reviewed By: bu5hm4n

Subscribers: bu5hm4n, cedric, #reviewers, #committers

Tags: #efl_widgets

Maniphest Tasks: T8059

Differential Revision: https://phab.enlightenment.org/D9435