Support disable DR when cluster is unavailable #1591

Job	Run time
Unit tests	6m 44s
Build image	3m 12s
Golangci Lint	27s
drenv tests (3.9)	1m 27s
Linters	1m 16s
drenv tests (3.10)	1m 37s
ramenctl tests (3.9)	17s
drenv tests (3.11)	1m 33s
ramenctl tests (3.10)	14s
ramenctl tests (3.11)	17s
Check artifacts and operator deployment (1.20.7)	2m 38s
Publish built image	0s
	19m 42s

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