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
*            Name of property
	 * @param locale
	 *            the locale
	 * @return externalized value.
	 */
	public static String getExternalizedValue( DesignElement element,
			String propIDName, String propName, ULocale locale )
	{
		if ( element == null )
			return null;
		String textKey = searchForExternalizedValue( element, propIDName,
				locale );
		if ( !StringUtil.isBlank( textKey ) )
			return textKey;
		
		return element.getStringProperty( element.getRoot( ), propName );
	}
	/**
	 * Checks if report design contains the same library as the target library
	 * which user wants to export. If no exception throws , that stands for user
	 * can export report design to library. Comparing with the obsolute file
	 * name path, if file is the same , throw <code>SemanticException</code>
	 * which error code is include recursive error.
	 * 
	 * For example , the path of library is "C:\test\lib.xml" .The followings
	 * will throw semantic exception:
	 * 
	 * <ul>
	 * <li> design file and library in the same folder: </li>
	 * <li> <list-property name="libraries"> <structure> <property