ApiResult::META_BC_BOOLS in ApiAbuseFilterCheckMatch
Coded to maintain BC with older versions of MediaWiki core. If that's
not needed anymore, a followup should remove all the instances of the
check.
Bug: T99240
Change-Id: I5dc112598676915416fbacd4c30f218ac84d324d
(cherry picked from commit 9d61668ab36ec5447344a7ee326f898ad07d7b7e)