Bug 213486 [Markers] view descriptions wrong when grouped
I20071218-0800. When grouped the view says 'Filter matches 100 of xyz items' but below you see that there are many more items shown as the marker filter is applied per group.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/provisional/views/markers/MarkerCategory.java
* Create a new instance of the receiver that has the markers between
	 * startIndex and endIndex showing.
	 * 
	 * @param cachedMarkerBuilder
	 * @param startIndex
	 * @param endIndex
	 *            the builder used to generate the children lazily.
	 */
	MarkerCategory(CachedMarkerBuilder cachedMarkerBuilder, int startIndex,
			int endIndex, String categoryName) {
		this.cachedMarkerBuilder = cachedMarkerBuilder;
		start = startIndex;
		end = endIndex;
		name = categoryName;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.views.markers.internal.MarkerNode#getChildren()
	 */
	public MarkerItem[] getChildren() {
		if (children == null) {
			
			
			if (this.cachedMarkerBuilder.isBuilding()) {
				return MarkerSupportInternalUtilities.EMPTY_MARKER_ITEM_ARRAY;
			}
			MarkerItem[] allMarkers = cachedMarkerBuilder.getMarkerEntries();
			int totalSize = getTotalSize();
			children = new MarkerEntry[totalSize];