Comment 4 for bug 1918470

With Jason's patch applied, I get an internal server error when I click Submit to place the hold:

Mar 12 09:46:06 jasontest root: [Fri Mar 12 09:46:06.296721 2021] [perl:error] [pid 18304] [client 192.168.100.100:50356] egweb: Context Loader error: Can't use an undefined value as a subroutine reference at /usr/local/share/perl/5.26.1/OpenILS/WWW/EGCatLoader/Account.pm line 1665.\n, referer: https://jasontest.cwmars.org/eg/opac/place_hold?locg=1&detail_record_view=0&hold_target=3837995&hold_type=T&query=coelho%20the%20spy&hold_source_page=%2Feg%2Fopac%2Fresults/eg/opac/place_hold?locg=1&detail_record_view=0&hold_target=3837995&hold_type=T&query=coelho%20the%20spy&hold_source_page=%2Feg%2Fopac%2Fresults
Mar 12 09:46:06 jasontest root: 192.168.100.100 - - [12/Mar/2021:09:46:05 -0500] "POST /eg/opac/place_hold?locg=1&detail_record_view=0&hold_target=3837995&hold_type=T&query=coelho%20the%20spy&hold_source_page=%2Feg%2Fopac%2Fresults/eg/opac/place_hold?locg=1&detail_record_view=0&hold_target=3837995&hold_type=T&query=coelho%20the%20spy&hold_source_page=%2Feg%2Fopac%2Fresults HTTP/1.0" 500 618 "https://jasontest.cwmars.org/eg/opac/place_hold?locg=1&detail_record_view=0&hold_target=3837995&hold_type=T&query=coelho%20the%20spy&hold_source_page=%2Feg%2Fopac%2Fresults/eg/opac/place_hold?locg=1&detail_record_view=0&hold_target=3837995&hold_type=T&query=coelho%20the%20spy&hold_source_page=%2Feg%2Fopac%2Fresults" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.82 Safari/537.36"