Support disable DR when cluster is unavailable #1568

Job	Run time
Golangci Lint	1m 3s
Build image	3m 15s
Linters	1m 11s
drenv tests (3.9)	1m 31s
drenv tests (3.10)	1m 29s
drenv tests (3.11)	1m 27s
Unit tests	6m 21s
ramenctl tests (3.9)	15s
ramenctl tests (3.10)	14s
ramenctl tests (3.11)	16s
Check artifacts and operator deployment (1.20.7)	2m 11s
Publish built image	0s
	19m 13s

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