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/internal/forms/widgets/FormUtil.java
while (parent != null) {
			if (parent instanceof ScrolledComposite) {
				return (ScrolledComposite) parent;
			}
			parent = parent.getParent();
		}
		return null;
	}
	public static void ensureVisible(Control c) {
		ScrolledComposite scomp = getScrolledComposite(c);
		if (scomp != null) {
			Object data = scomp.getData(FOCUS_SCROLLING);
			if (data == null || !data.equals(Boolean.FALSE))
				FormUtil.ensureVisible(scomp, c);
		}
	}
	public static void ensureVisible(ScrolledComposite scomp, Control control) {
		
		
		if (control instanceof FormText)
			return;
		Point controlSize = control.getSize();
		Point controlOrigin = getControlLocation(scomp, control);
		ensureVisible(scomp, controlOrigin, controlSize);
	}
	public static void ensureVisible(ScrolledComposite scomp,
			Point controlOrigin, Point controlSize) {
		Rectangle area = scomp.getClientArea();
		Point scompOrigin = scomp.getOrigin();
		int x = scompOrigin.x;