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/metadata/ElementDefn.java
protected String selector = null;
	/**
	 * Whether this element allows the definition of user-defined properties. If
	 * a given element does not allow user-properties, then none of its derived
	 * elements supports them either.
	 */
	protected boolean supportsUserProperties = true;
	/**
	 * List of style properties that apply to this element. Only those
	 * properties listed here are available to this element. Contents are
	 * strings.
	 */
	protected ArrayList stylePropertyNames = null;
	/**
	 * Indicates the name space in which instances of this element reside.
	 */
	protected int nameSpaceID = MetaDataConstants.NO_NAME_SPACE;
	/**
	 * Name option: one of following defined in MetaDataConstants:
	 * {@link MetaDataConstants#NO_NAME NO_NAME},
	 * {@link MetaDataConstants#OPTIONAL_NAME OPTIONAL_NAME}, or
	 * {@link MetaDataConstants#REQUIRED_NAME REQUIRED_NAME}.
	 */
	protected int nameOption = MetaDataConstants.OPTIONAL_NAME;
	/**
	 * Whether this element acts as a container. If so, which slots it
	 * implements.
	 */
	protected ArrayList slots = null;
	/**