Bug 97143 [PropertiesView] status line not updated with keyboard selection
The Properties View does not update the description (in the statusline) of the selected property when properties are selected with the arrowkeys. When the same properties are selected with the mouse, the description is updated. 3.1M7
bundles/org.eclipse.ui.views/src/org/eclipse/ui/views/properties/PropertySheetViewer.java
*            a cell editor activation listener
     */
    
    void removeActivationListener(ICellEditorActivationListener listener) {
        activationListeners.remove(listener);
    }
    /**
     * Remove the given item from the tree. Remove our listener if the
     * item's user data is a an entry then set the user data to null
     * 
     * @param item
     *            the item to remove
     */
    private void removeItem(TreeItem item) {
        Object data = item.getData();
        if (data instanceof IPropertySheetEntry)
            ((IPropertySheetEntry) data)
                    .removePropertySheetEntryListener(entryListener);
        item.setData(null);
        item.dispose();
    }
    /**
     * Reset the selected properties to their default values.
     */
    public void resetProperties() {
        
        IStructuredSelection selection = (IStructuredSelection) getSelection();
        
        Iterator itr = selection.iterator();
        while (itr.hasNext())