Bug 307747 EPartService doesn't render new parts
1. Have a part in a stack, it is the selected part. 2. Show another part in that stack using PartState.CREATE or PartState.VISIBLE. 3. The part should've been rendered. It is not.
bundles/org.eclipse.e4.ui.workbench/src/org/eclipse/e4/workbench/ui/internal/PartServiceImpl.java
}
			}
		}
		return false;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see
	 * org.eclipse.e4.workbench.modeling.EPartService#activate(org.eclipse.e4.ui.model.application
	 * .MPart)
	 */
	public void activate(MPart part) {
		if (part == activePart || !isInContainer(part)) {
			return;
		}
		IEclipseContext curContext = part.getContext();
		MContext pwc = getParentWithContext(part);
		MUIElement curElement = part;
		while (pwc != null) {
			
			while (curElement != pwc) {
				MElementContainer<MUIElement> parent = curElement.getParent();
				curElement.setToBeRendered(true);
				if (parent.getSelectedElement() != curElement) {
					parent.setSelectedElement(curElement);
				}
				curElement = parent;
			}
			if (curContext == null) {