dir-view: Don't thumbnail when disabled

Guido Güntherrequested to merge
guidog/pfs:allow-to-disable-thumbnailing into main

We don't want to create any thumbnails when it is disabled via the gsetting.

Fixes: 95befa2c ("dir-view: Create thumbnails for files without them") Signed-off-by: Guido Günther agx@sigxcpu.org

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