Bug 136101 [Markers] ProblemsView constantly busy when empty
20060412 The problems view is constantly busy when there are no entries - the tab goes italic all of the time.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/MarkerAdapter.java
if (monitor.isCanceled())
					return;
				view.refreshMarkerCounts(monitor);
			} catch (CoreException e) {
				Util.log(e);
				newMarkers = new MarkerList();
				return;
			}
			if (monitor.isCanceled())
				return;
			ViewerSorter sorter = view.getViewer().getSorter();
			if (markerLimit == -1 || isShowingHierarchy()) {
				sorter.sort(view.getViewer(), newMarkers.toArray());
			} else {
				monitor.subTask(MarkerMessages.MarkerView_18);
				SubProgressMonitor mon = new SubProgressMonitor(monitor, 40);
				newMarkers = SortUtil.getFirst(newMarkers, (Comparator) sorter,
						markerLimit, mon);
				if (monitor.isCanceled()) {
					return;
				}
				sorter.sort(view.getViewer(), newMarkers.toArray());
			}
			if (newMarkers.getSize() == 0) {
				categories = new MarkerCategory[0];
				monitor.done();
				return;
			}
			monitor.subTask(MarkerMessages.MarkerView_queueing_updates);
			if (monitor.isCanceled())