[#75213334] Users Index page displays appropriate primary actions
[#75213334] Workspaces Index page displays appropriate primary actions
[#75213334] HDFS Entries Index page displays appropriate primary actions
[#75213334] removes WorkspaceDatasetIndexPageButtons
[#75213334] Workfiles tab includes Workflow action, and removes buttons
[#75213334] Removes Job Index buttons
[#75213334] Removes Milestone Index buttons
[#75213334] Removes Data Source Index button
[#75213334] Removes Workspace Index button
[#75213334] Removes HDFS Entry index button