Support disable DR when cluster is unavailable #1572

Job	Run time
Golangci Lint	57s
Build image	3m 24s
Linters	1m 16s
drenv tests (3.9)	1m 28s
drenv tests (3.10)	1m 27s
ramenctl tests (3.9)	15s
drenv tests (3.11)	1m 28s
Unit tests	6m 19s
ramenctl tests (3.10)	14s
ramenctl tests (3.11)	14s
Check artifacts and operator deployment (1.20.7)	2m 5s
Publish built image	0s
	19m 7s

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