dal patch to fix ATDSUPPORT-387 (add TDAQ_DB_VERSION process environment)

Igor Solovievrequested to merge
isolov/tdaq-09-04-00/dal into tdaq-09-04-00

=== dal ===

fix DAL get_info / process environment when TDAQ_DB_USER_REPOSITORY is set (Igor Soloviev) only add default TDAQ_DB_VERSION, if it was not defined for an application (Igor Soloviev)

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