Bug 119225 Theme is not found when selected from theme dropdown list in a report.
Description: Theme is not found when selected from theme dropdown list in a report. Steps to reproduce: 1. Use a library in a report. 2. Select a theme in the property editor. 3. Error message pops up "theme is not found". 4. If I add library name before the theme name like "library1.newtheme". It can work.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/views/attributes/providers/ChoiceSetFactory.java
* @return The given property 's value
	 */
	public static String getPropValue( String elementName, String property,
			String displayName )
	{
		IChoiceSet set = getElementChoiceSet( elementName, property );
		return getValueFromChoiceSet( displayName, set );
	}
	/**
	 * Gets structure property value given element name, property name and its
	 * the property's display name.
	 * 
	 * @param structName
	 *            The design element name.
	 * @param memberName
	 *            The property name.
	 * @param displayName
	 *            The property 's display name.
	 * @return The given property 's value
	 */
	public static String getStructPropValue( String structName,
			String memberName, String displayName )
	{
		IChoiceSet set = getStructChoiceSet( structName, memberName );
		return getValueFromChoiceSet( displayName, set );
	}
	/**
	 * Gets UI display name from a choice set given the the value and the choice
	 * set name.
	 *