WebSearch: bibfmt on innodb

• Since in INSPIRE bibfmt was changed into innodb and this last does not have update_time it can't be used in order to know if webcoll need to run. Therefore a different check based on the last format being updated is used.

Co-authored-by: Alessio Deiana <alesiso.deiana@cern.ch>
Signed-off-by: Samuele Kaplun <samuele.kaplun@cern.ch>