SKB-65 Add OffCommand to CbfSubarray class
OffCommand implemented in CbfSubarray towards fix of SKB-65 https://jira.skatelescope.org/browse/AT5-778 https://jira.skatelescope.org/browse/SKB-65
Edited by Taylor Huang
OffCommand implemented in CbfSubarray towards fix of SKB-65 https://jira.skatelescope.org/browse/AT5-778 https://jira.skatelescope.org/browse/SKB-65