Make the CTL tests more resilient

Fix the find_device function to work regardless of whether "camcontrol
devlist" lists the da device first and the pass device second or vice
versa. On FreeBSD 14 and 15 it apparently always lists da first. But
on 13 it can do it in either order.

Sponsored by: ConnectWise
Reviewed by: emaste, markj, cam
Differential Revision: https://reviews.freebsd.org/D47446

(cherry picked from commit b032be711c740d2f25b27c92069537edcfac221c)