DetectorMap QA Plot wavelength incorrectly reports num fibers and lines

The DM plot for a science visit is reporting only the number of fibers and lines found for the first species, which is O2. We want to show all the species or, alternatively, decide if we only want to use OH. For this ticket it should be fixing the bug, for deciding on whether or not to show only OH, follow up with Kiyoto Yabe

Check v141830