Skip exceeding resources deletion if there are no resources [WAL-4192]
Skip exceeding resources deletion if there are no resources [WAL-4192]

opennode/nodeconductor-assembly-waldur,opennode/nodeconductor-assembly-waldur,opennode/waldur-mastermind,opennode/waldur-mastermind,opennode/nodeconductor-assembly-waldur,opennode/waldur-mastermind,opennode/waldur-mastermind