[bp/r50109][FIX]Update identifier field list on incremental update as required. Thanks lphuberdeau

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@50123 b456876b-0849-0410-b77d-98878d47e9d5
[FIX] Fixes issue wish5156 (html plugin in articles) caused by revision r48131 (thanks jonny for the hint)

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@50124 b456876b-0849-0410-b77d-98878d47e9d5