Bug 202474 [Forms] Create a resource manager to share the bold font
If a FormToolkit is passed into FormEditor it is disposed upon disposal of the editor even though it may be shared.
bundles/org.eclipse.ui.forms/src/org/eclipse/ui/forms/widgets/FormToolkit.java
* require scrolling because there is already a scrolled composite up the
	 * parent chain, use 'createForm' instead.
	 * 
	 * @param parent
	 *            the scrolled form parent
	 * @return the form that can scroll itself
	 * @see #createForm
	 */
	public ScrolledForm createScrolledForm(Composite parent) {
		ScrolledForm form = new ScrolledForm(parent, SWT.V_SCROLL
				| SWT.H_SCROLL | orientation);
		form.setExpandHorizontal(true);
		form.setExpandVertical(true);
		form.setBackground(colors.getBackground());
		form.setForeground(colors.getColor(IFormColors.TITLE));
		form.setFont(JFaceResources.getHeaderFont());
		return form;
	}
	/**
	 * Creates a form widget in the provided parent. Note that this widget does
	 * not scroll its content, so make sure there is a scrolled composite up the
	 * parent chain. If you require scrolling, use 'createScrolledForm' instead.
	 * 
	 * @param parent
	 *            the form parent
	 * @return the form that does not scroll
	 * @see #createScrolledForm
	 */
	public Form createForm(Composite parent) {
		Form formContent = new Form(parent, orientation);