Information Panel: Make icons as big as previews
Summary:
Make icons match the preview size.
It prevents a user that had a wide information panel,
seeing a size difference between a preview and an icon despite they can look similar (i.e folder preview).
Test Plan:
Before:
After:
Reviewers: Dolphin, ngraham, elvisangelaccio
Reviewed By: Dolphin, ngraham, elvisangelaccio
Subscribers: kfm-devel
Tags: Dolphin
Differential Revision: https://phabricator.kde.org/D29002