[AMBARI-5880] Decommission RegionServer warning msg popup is hidden behind BGO popup

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Implemented
• Affects Version/s: 1.6.0
• Fix Version/s: 1.7.0
• Component/s: ambari-server
• Assignee: Unassigned
• Reporter: Srimanth Gunturi
• Created: 23/May/14 19:30
• Updated: 15/Nov/14 01:35
• Resolved: 15/Nov/14 01:35

Description

• Step to repro:
  Got a cluster with HBase installed, not in Maintenance Mode.
  Then click on 'decommission' on HBase RegionServer.

• Expected:
  Warning msg popup show up saying 'HBase Master Maintenance Mode is pre required for decommissioning.'. This should be the only popup showing.

• Actual :
  The Warning msg popup show up, But background operations popup also show up and in front of the warning popup. Meaning, BGO is the 1st layer we see, then the warning popup layer, then the host details page.