REPORT-57892 公式编辑器优化：实时计算返回结果为日期格式时不正确

1.添加一个object2string

designer-base/src/main/java/com/fr/design/formula/FormulaPane.java

@@ -43,6 +43,7 @@ import com.fr.script.checker.exception.FunctionCheckWrongException;
 import com.fr.script.rules.FunctionParameterType;
 import com.fr.script.rules.FunctionRule;
 import com.fr.stable.EncodeConstants;
+import com.fr.stable.EssentialUtils;
 import com.fr.stable.ParameterProvider;
 import com.fr.stable.StringUtils;
 import com.fr.stable.UtilEvalError;
@@ -737,7 +738,7 @@ public class FormulaPane extends BasicPane implements KeyListener, UIFormula {
                 BaseFormula baseFormula = BaseFormula.createFormulaBuilder().build(formulaText);
                 try {
                     Object value = calculator.evalValue(baseFormula);
-                    messageTips = messageTips + com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Basic_Formula_Cal_Result") + ":" + value;
+                    messageTips = messageTips + com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Basic_Formula_Cal_Result") + ":" + EssentialUtils.objectToString(value);
                     FineLoggerFactory.getLogger().info("value:{}", value);
                 } catch (UtilEvalError utilEvalError) {
                     FineLoggerFactory.getLogger().error("", utilEvalError);