Bug 148761 Unable to copy a report item from template to report
Steps: 1. Create a template, add a Text item "t1" or others 2. Create template item using "t1" 3. Double click the template item and we get a report item again. 4. We copy the item, paste to another report file. Expected: the text item can be copied. Actual result: Nothing happened, not copied and no error msg.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/util/ModelUtil.java
{
	/**
	 * Returns the id reference relationship between the parent element and the
	 * child element.
	 * <p>
	 * Notice: the element and its parent should have the same structure when
	 * calling this method. That is the child structure has already been
	 * refreshed from parent.
	 * 
	 * @param element
	 *            the element to setup the id reference
	 * @return a map to store the base id and the corresponding child element.
	 */
	public static Map getIdMap( DesignElement element )
	{
		assert element != null;
		
		DesignElement parent = element.getExtendsElement( );