Bug 343003 Selection changes for shared parts may not be propagated if they were not originally rendered in the model
The search algorithm currently only iterates through containers for parts. This will not work for parts that are represented by placeholders.
bundles/org.eclipse.e4.ui.workbench/src/org/eclipse/e4/ui/internal/workbench/SelectionServiceImpl.java
/*
	 * (non-Javadoc)
	 * 
	 * @see
	 * org.eclipse.e4.ui.selection.ESelectionService#removeSelectionListener(org.eclipse.e4.ui.selection
	 * .ISelectionListener)
	 */
	public void removeSelectionListener(ISelectionListener listener) {
		
		if (context != null) {
			genericListeners.remove(listener);
		}
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.e4.ui.selection.ESelectionService#addSelectionListener(java.lang.String,
	 * org.eclipse.e4.ui.selection.ISelectionListener)
	 */
	public void addSelectionListener(String partId, ISelectionListener listener) {
		ListenerList listeners = targetedListeners.get(partId);
		if (listeners == null) {
			listeners = new ListenerList();
			targetedListeners.put(partId, listeners);
		}
		listeners.add(listener);
	}
	/*
	 * (non-Javadoc)
	 *