Bug 178297 [Dialogs] - remove required field color
There are still some dialogs using the (now deprecated) class FieldAssistColors. We shouldn't color the required fields anymore in these dialogs: NewFolderDialog CreateLinkedResourceGroup ResourceWorkingSetPage ContainerSelectionGroup ResourceAndContainerGroup
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/dialogs/ResourceWorkingSetPage.java
container = (IContainer) item
                                .getAdapter(IContainer.class);
                    }
                    if (container != null) {
                        setSubtreeChecked(container, true, true);
                    }
                    if (item instanceof IResource) {
                        resource = (IResource) item;
                    } else {
                        resource = (IResource) item.getAdapter(IResource.class);
                    }
                    if (resource != null && resource.isAccessible() == false) {
                        IProject project = resource.getProject();
                        if (tree.getChecked(project) == false) {
							tree.setGrayChecked(project, true);
						}
                    } else {
                        updateParentState(resource);
                    }
                }
            }
        });
    }
    /**
     * Implements IWorkingSetPage.
     * 
     * @see org.eclipse.ui.dialogs.IWorkingSetPage#setSelection(IWorkingSet)
     */
    public void setSelection(IWorkingSet workingSet) {
        if (workingSet == null) {