selftests/hid: hidraw: add more coverage for hidraw ioctls

Try to ensure all ioctls are having at least one test.

Most of the scaffholding has been generated by claude-4-sonnet and then
carefully reviewed.

Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
Signed-off-by: Jiri Kosina <jkosina@suse.com>