The min/max section size was not checked when setting the default
section size. This was an oversight when the check for min/max section
size was added to resizeSection().
[ChangeLog][QtWidgets][QHeaderView] setDefaultSectionSize() now
checks if the given value is inside min/max section size
Task-number: QTBUG-69431
Change-Id: I1b5704282927ce5a8520f52174ebf91d9840bc8a
Reviewed-by: Thorbjørn Lund Martsum <tmartsum@gmail.com>