Bug 188829 Move the item ,the trans of the model don't close.
1:New report design. 2:Add a Embedded image. 3:Add another imge , then drag the second imge to the first position. 4:Change the size of the first image. Expected: Image change the size. Now: Image size don't change.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/command/AbstractContentCommand.java
throw ContentExceptionFactory.createContentException(
					toContainerInfor,
					ContentException.DESIGN_EXCEPTION_NOT_CONTAINER );
		IContainerDefn containerDefn = focus.getContainerDefn( );
		if ( containerDefn == null )
			throw ContentExceptionFactory.createContentException( focus,
					ContentException.DESIGN_EXCEPTION_SLOT_NOT_FOUND );
		containerDefn = toContainerInfor.getContainerDefn( );
		if ( containerDefn == null )
			throw ContentExceptionFactory.createContentException(
					toContainerInfor,
					ContentException.DESIGN_EXCEPTION_SLOT_NOT_FOUND );
		if ( !focus.contains( module, content ) )
			throw ContentExceptionFactory.createContentException( focus,
					content,
					ContentException.DESIGN_EXCEPTION_CONTENT_NOT_FOUND );
		containerDefn = toContainerInfor.getContainerDefn( );
		if ( !containerDefn.canContain( content ) )
			throw ContentExceptionFactory.createContentException(
					toContainerInfor, content,
					ContentException.DESIGN_EXCEPTION_WRONG_TYPE );
		if ( !toContainerInfor.isContainerMultipleCardinality( )
				&& toContainerInfor.getContentCount( module ) > 0 )
			throw ContentExceptionFactory.createContentException(
					toContainerInfor,
					ContentException.DESIGN_EXCEPTION_SLOT_IS_FULL );
		
		if ( focus.equals( toContainerInfor ) )
			return;
	}