Bug 122850 Table/list should not be able to be inserted in Master Page mode.
Description: Table/list should not be able to be inserted in Master Page mode. Steps to reproduce: 1. New a report and transfer to Master Page mode. 2. New a datasource and dataset 3. Drag a list/table to page header/footer, bind it to dataset and drag some columns inside. 4. Save and preview Expected result: Insert list/table item in master page should be forbidden. Actual result: They are allowed and preview showed "undefine" in page
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/elements/MasterPage.java
{
			height = US_LETTER_HEIGHT;
			width = US_LETTER_WIDTH;
		}
		else if ( type
				.equalsIgnoreCase( DesignChoiceConstants.PAGE_SIZE_US_LEGAL ) )
		{
			height = US_LEGAL_HEIGHT;
			width = US_LEGAL_WIDTH;
		}
		else if ( type.equalsIgnoreCase( DesignChoiceConstants.PAGE_SIZE_A4 ) )
		{
			height = A4_HEIGHT;
			width = A4_WIDTH;
		}
		else
		{
			
			assert false;
			return size;
		}
		
		if ( type.equalsIgnoreCase( DesignChoiceConstants.PAGE_SIZE_CUSTOM )
				&& ( getStringProperty( module, ORIENTATION_PROP )
						.equalsIgnoreCase( DesignChoiceConstants.PAGE_ORIENTATION_LANDSCAPE ) ) )
		{
			String temp = height;
			height = width;
			width = temp;
		}