Backport "HBASE-28868 Add missing permission check for updateRSGroupConfig in branch-2" to branch-2.6#6293

NihalJain merged 1 commit intoapache:branch-2.6apache/hbase:branch-2.6from

NihalJain:HBASE-28868_branch_2.6NihalJain/hbase:HBASE-28868_branch_2.6Copy head branch name to clipboard