Comment 8 for bug 1831390

Sign-off to final commit:

https://git.evergreen-ils.org/?p=working/Evergreen.git;a=shortlog;h=refs/heads/user/berick/lp1831390-ang-form-control-value-accessor-2

I did a bit more testing and all looks good to me. Existing date selectors, for example, continue to behave as expected.