Bug 67716 [ProblemsView] Trying to sort in Problems View removes all items from view
Configure the problems view to display "selected resource and it children". Open a file with a couple of warnings. Sort by any of the columns in the table. All table items are removed and the view is displaying ZERO hits.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/MarkerView.java
monitor.subTask(FILTERING_ON_MARKER_LIMIT);
			SubProgressMonitor mon = new SubProgressMonitor(monitor, 40);
			
			markers = SortUtil.getFirst(markers, getSorter(), markerLimit, mon);
			if (monitor.isCanceled()) return;
			currentMarkers = new MarkerList(markers);
		}
		monitor.subTask(QUEUEING_VIEWER_UPDATES);
		
		SubProgressMonitor sub = new SubProgressMonitor(monitor, 50);
		setContents(markers, sub);
		if (monitor.isCanceled()) return;
		
		uiJob.schedule();
		try {
			uiJob.join();
		} catch (InterruptedException e) {
			monitor.done();
		}
		
		monitor.done();
	}
	
	/**
	 * Causes the view to re-sync its contents with the workspace. Note that
	 * changes will be scheduled in a background job, and may not take effect
	 * immediately. 
	 */
	protected void refresh() {