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
return true;
		}
		IResource resource = marker.getResource();
		if (onResource == ON_WORKING_SET) {
			if (resource != null) {
				return isEnclosed(resource);
			}
		} else if (onResource == ON_ANY_IN_SAME_CONTAINER) {
			IProject project = resource.getProject();
			if (project == null) {
				return false;
			}
			for (int i = 0; i < focusResource.length; i++) {
				IProject selectedProject = focusResource[i].getProject();
				if (selectedProject == null) {
					continue;
				}
				if (project.equals(selectedProject)) {
					return true;
				}
			}
		} else if (onResource == ON_SELECTED_ONLY) {
			for (int i = 0; i < focusResource.length; i++) {
				if (resource.equals(focusResource[i])) {
					return true;
				}
			}
		} else if (onResource == ON_SELECTED_AND_CHILDREN) {
			for (int i = 0; i < focusResource.length; i++) {
				IResource parentResource = resource;