Bug 176784 always-excluding-first and always-excluding-last in item properties pop up error[00]
Details: always-excluding-first and always-excluding-last in item properties pop up error Step: 1.New a report and add a label 2.Select the label and switch properties tab. 3.Select the section and set the page break as always-excluding-first or always-excluding-last. actual result: Pop up an error excepted result: If these selection are not supported, and please remove them. If these selection are supported, it can be set to the item.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/views/attributes/providers/ChoiceSetFactory.java
{
			unitKey = DesignChoiceConstants.CHOICE_FILTER_OPERATOR;
		}
		else if ( StyleHandle.VERTICAL_ALIGN_PROP.equals( property ) )
		{
			unitKey = DesignChoiceConstants.CHOICE_VERTICAL_ALIGN;
		}
		else if ( StyleHandle.TEXT_ALIGN_PROP.equals( property ) )
		{
			unitKey = DesignChoiceConstants.CHOICE_TEXT_ALIGN;
		}
		else if ( MasterPageHandle.ORIENTATION_PROP.equals( property ) )
		{
			unitKey = DesignChoiceConstants.CHOICE_PAGE_ORIENTATION;
		}
		else if ( MasterPageHandle.TYPE_PROP.equals( property ) )
		{
			unitKey = DesignChoiceConstants.CHOICE_PAGE_SIZE;
		}
		else if ( GroupHandle.INTERVAL_PROP.equals( property ) )
		{
			unitKey = DesignChoiceConstants.CHOICE_INTERVAL;
		}
		else if ( StyleHandle.PAGE_BREAK_BEFORE_PROP.equals( property ) )
		{
			unitKey = DesignChoiceConstants.CHOICE_PAGE_BREAK_BEFORE;
		}
		else if ( StyleHandle.PAGE_BREAK_AFTER_PROP.equals( property ) )
		{
			unitKey = DesignChoiceConstants.CHOICE_PAGE_BREAK_AFTER;