Bug 201726 [Regression]Missing the attribute binding in Current Data Cube of Expression builder[1102]
Description: [Regression]Missing the attribute binding in Current Data Cube of Expression builder[1102] Build number: 2.2.1.v20070830-1348 Steps to reproduce: 1, New a cube with some dimensions and some attribute 2, New a crosstab using the cube 3, Open the expression builder to find the binding of attribute Expected result: The attribute binding should be in the expression builder's Current Data Cube. Actual result: The attribute binding is missing
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ExpressionProvider.java
{
	private static class Expression
	{
		/**
		 * The tooltip of the operator
		 */
		public String tooltip;
		/**
		 * The symbol of the operator
		 */
		public String symbol;
		/**