Bug 136178 [Markers] Quick filter selection is not updating the view
20050411 Selecting and deselecting filters from the drop down is not changing the filters until you open the dialog
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/MarkerView.java
* Get the filters that are currently enabled.
	 * 
	 * @return MarkerFilter[]
	 */
	MarkerFilter[] getEnabledFilters() {
		if (enabledFilters == null) {
			Collection filters = findEnabledFilters();
			enabledFilters = new MarkerFilter[filters.size()];
			filters.toArray(enabledFilters);
		}
		return enabledFilters;
	}
	/**
	 * Find the filters enabled in the view.
	 * 
	 * @return Collection of MarkerFilter
	 */
	protected Collection findEnabledFilters() {
		MarkerFilter[] allFilters = getAllFilters();
		ArrayList filters = new ArrayList(0);
		for (int i = 0; i < allFilters.length; i++) {
			if (allFilters[i].isEnabled()) {
				filters.add(allFilters[i]);
			}
		}
		return filters;
	}
	/**
	 * Get all of the filters applied to the receiver.
	 *