This change based on discussion on D9533 , where @smohanty example shows that unnecessary calculation happened on textblock related to lay-outing
Where now _layout_setup will not calculate main format using (_format_fill) unless style has been changed.
expedite commit:
https://git.enlightenment.org/tools/expedite.git/commit/?id=dc6c931dc2e6c240d3e240f24578980c689ab7fc
src/bin/textblock_text_fill_format.c