Bug 127289 [Markers] SystemFilter and group selection state not preserved
We are not preserving the selection state of the system filters or which group is selected.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/MarkerFilter.java
if (found) {
					continue;
				}
			}
			
			while (iter.hasNext()) {
				MarkerType markerType = (MarkerType) iter.next();
				
				
				IMarker[] markers = resource.findMarkers(markerType.getId(),
						includeAllSubtypes.contains(markerType), depth);
				mon.worked(1);
				for (int idx = 0; idx < markers.length; idx++) {
					ConcreteMarker marker;
					try {
						marker = MarkerList.createMarker(markers[idx]);
					} catch (CoreException e) {
						if (ignoreExceptions) {
							continue;
						} else {
							throw e;
						}
					}
					if (limit != -1 && resultList.size() >= limit) {
						return resultList;
					}
					if (selectMarker(marker)) {