OFBIZ patch: base: log4j2.xml: exclude OFF level from error.log
OFBIZ patch: base: log4j2.xml: exclude OFF level from error.log

An addendum to OFBIZ merge commit
a4f18d1afcf488471b52c5e81b198b59a6aa7809, where Debug.ALWAYS was
switched to log4j's Level.OFF to follow log4j priorities:

We must now manually exclude OFF level from error.log in log4j2.xml.

Refs https://gitlab.ilscipio.com/scipio-dev/dev/scipioce-dev/issues/536

ilscipio/scipio-erp,ilscipio/scipio-erp,ilscipio/scipio-erp,ilscipio/scipio-erp,ilscipio/scipio-erp