Comment 5 for bug 1813088

It turns out that the problem was an integer versus string value in egGridFilterValue. The branch below alters the check for Boolean columns to force a comparison on string types. Thanks to Mike Rylander for pointing out the type mismatch in IRC!

https://git.evergreen-ils.org/?p=working/Evergreen.git;a=shortlog;h=refs/heads/user/dyrcona/lp1813088-egvf-bool-coercion