HDDS-4832. Show Datanode OperationalState in Recon#1937

Merged

vivekratnavel merged 9 commits intoapache:masterfrom

smengcl:HDDS-4832

Feb 24, 2021

Commits on Feb 20, 2021

Fix UT. Order of datanodes in the response is random
smengcl
committed

Commits on Feb 22, 2021

Use exclamation-circle for DECOMMISSIONED and IN_MAINTENANCE.
smengcl
committed

Commits on Feb 23, 2021