Bug 184597 [Contributions] ActionContributionItem should show accelerator text even if accelerator cannot be parsed
bundles/org.eclipse.jface/src/org/eclipse/jface/action/ActionContributionItem.java
LocalResourceManager localManager = new LocalResourceManager(
					parentResourceManager);
			
			
			((ToolItem) widget).setDisabledImage(disabledImage == null ? null
					: localManager.createImageWithDefault(disabledImage));
			((ToolItem) widget).setHotImage(hoverImage == null ? null
					: localManager.createImageWithDefault(hoverImage));
			((ToolItem) widget).setImage(image == null ? null : localManager
					.createImageWithDefault(image));
			
			
			disposeOldImages();
			imageManager = localManager;
			return image != null;
		} else if (widget instanceof Item || widget instanceof Button) {
			
			ImageDescriptor image = action.getHoverImageDescriptor();
			if (image == null) {
				image = action.getImageDescriptor();
			}
			
			if (image == null && forceImage) {
				image = ImageDescriptor.getMissingImageDescriptor();
			}
			
			
			LocalResourceManager localManager = new LocalResourceManager(
					parentResourceManager);
			if (widget instanceof Item) {