fix: datetime not rendering for empty value

packages/core/src/widgets/datetime/DateTimeControl.tsx

@@ -158,10 +158,6 @@ const DateTimeControl: FC<WidgetControlProps<string, DateTimeField>> = ({
   );
 
   const dateTimePicker = useMemo(() => {
-    if (!internalValue) {
-      return null;
-    }
-
     const inputDate = field.picker_utc ? utcDate : dateValue;
 
     if (dateFormat && !timeFormat) {
@@ -258,7 +254,6 @@ const DateTimeControl: FC<WidgetControlProps<string, DateTimeField>> = ({
     handleChange,
     hasErrors,
     inputFormat,
-    internalValue,
     isDisabled,
     label,
     t,

packages/core/webpack.config.js

@@ -29,6 +29,7 @@ module.exports = {
         exclude: [
           /(node_modules[\\/]@toast-ui[\\/]editor[\\/]dist)/,
           /(node_modules[\\/]nth-check[\\/]lib)/,
+          /(node_modules[\\/]minimatch[\\/]dist)/,
           /(src[\\/]formats[\\/]util)/,
         ],
       },