CHART-17983 仪表盘目标值默认 && CHART-18024 数据集改变，监听重复导致结果错误

designer-chart/src/main/java/com/fr/design/mainframe/chart/gui/data/DatabaseTableDataPane.java

@@ -82,7 +82,12 @@ public class DatabaseTableDataPane extends BasicPane{
 	}
 
 	private void initTableCombox() {
-		tableNameCombox = new TableDataComboBox(DesignTableDataManager.getEditingTableDataSource());
+		tableNameCombox = new TableDataComboBox(DesignTableDataManager.getEditingTableDataSource()){
+		    //图表的数据集选择下拉框，不需要注册监听，chartEditPane已经注册了。
+			public void registerDSChangeListener() {
+
+			}
+		};
 		tableNameCombox.addItemListener(new ItemListener() {
 			@Override
 			public void itemStateChanged(ItemEvent e) {

designer-chart/src/main/java/com/fr/design/mainframe/chart/gui/data/table/MeterPlotTableDataContentPane.java

@@ -56,6 +56,7 @@ public class MeterPlotTableDataContentPane extends AbstractTableDataContentPane
         this.setLayout(new BorderLayout());
 
         nameBox = new UIComboBoxWithNone();
+        nameBox.setSelectedIndex(nameBox.getItemCount() -1);
         valueBox = new UIComboBox();
         targetBox = new UIComboBox();
         custom = new TinyFormulaPane();