Bug 130495 Get rid of SessionHandleAdapter
Now, we use SessionHandleAdapter to keep current active report deisng. That's a bad practive for editor swith and rebuild will cuase lots of problmes. Need find way to replace it.
UI/org.eclipse.birt.report.designer.ui.editors/src/org/eclipse/birt/report/designer/ui/editors/IReportProvider.java
{
	/**
	 * Convert input element to ModuleHandle.
	 * @param element
	 * @return
	 */
	ModuleHandle getReportModuleHandle( Object element );
	/**
	 * Convert input element to ModuleHandle.
	 * @param element
	 * @return
	 */
	ModuleHandle getReportModuleHandle( Object element,boolean reset );
	
	/**
	 * Save moduleHandle to the orginal input.
	 * @param moduleHandle
	 * @param element input element.
	 * @param monitor
	 */
	void saveReport( ModuleHandle moduleHandle, Object element,