Bug 113938 Report is marked dirty when open/close cascading parameter dialog without doing any operation on it
description: Report is marked dirty when open/close cascading parameter dialog without doing any operation on it steps to reproduce: 1.new a cascading parameter group 2.save the reprot 3.double click the cascading parameter to bring out edit box 4.click OK to close edit box actual result: Report has been marked dirty expected result: No dirty marked for that no operations done in edit parameter dialog
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/CascadingParametersDialog.java
{
							value = getDummyText( paramHandle )
									+ paramHandle.getName( );
						}
						break;
					}
					case 1 :
					{
						value = getColumnName( paramHandle.getValueExpr( ) );
						break;
					}
					case 2 :
					{
						value = getColumnName( paramHandle.getLabelExpr( ) );
						if ( value == null )
						{
							value = LABEL_SELECT_DISPLAY_COLUMN;
						}
						break;
					}
				}
			}
			if ( value == null )
			{
				value = ""; 
			}
			return value;
		}
		private String getDummyText( Object element )
		{