feature(new_dc): Add new node with zero node dc #9230
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Test checks that in multidc symetric configuration:
DC1: 3, DC2: 3, we lost raft quorum if all nodes in any dc
will die (stopped, killed, etc) and with adding new DC with zero
node only allow to save raft quroum and restore failed dc with
topology operations
Testing
PR pre-checks (self review)
backport
labelsReminders
sdcm/sct_config.py
)unit-test/
folder)