BibEdit: check for record in BibSched queue fix

• Considers all OAIID_TAG, not just the first one.

• Fixes problem when metadata contains regular expression special characters.

Signed-off-by: Javier Martin Montull <javier.martin.montull@cern.ch>
Tested-by: Samuele Kaplun <samuele.kaplun@cern.ch>