Bug 154832 Wrong node is added to Report Parameters for cascading parameter in Palette view
Description: Wrong node is added to Report Parameters for cascading parameter in Palette view. Steps to reproduce: 1. New a report, add a cascading parameter 2. Switch to Script tab in Editor view, and then switch to Palette view 3. Expand Report Parameters node Expected result: A cascading parameter group is added to Report Parameters node Actual result: Expect a cascading parameter group is added to Report Parameters node, the children of the cascading parameter group are added as scalar parameters
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/dialogs/ExpressionTreeSupport.java
{
					"*", Messages.getString( "ExpressionProvider.Operator.Mult" ) 
			},
			{
					"/",
					Messages.getString( "ExpressionProvider.Operator.Divides" )  
			},
			{
					"++X ",
					Messages.getString( "ExpressionProvider.Operator.Inc" )  
			},
			{
					"X++ ", Messages.getString( "ExpressionProvider.Operator.ReturnInc" ) 
			},
			{
					"--X ", Messages.getString( "ExpressionProvider.Operator.Dec" ) 
			},
			{
					"X-- ", Messages.getString( "ExpressionProvider.Operator.ReturnDec" ) 
			}
	};
	
	private static final String[][] OPERATORS_LOGICAL = new String[][]{
			{
					"&&",
					Messages.getString( "ExpressionProvider.Operator.And" )  
			}, {
					"||",
					Messages.getString( "ExpressionProvider.Operator.Or" )  
			}