Replace groovy template engine with java template engine

[GlebDurygin]

Description of the bug or enhancement

AbstractValidator.getTemplateErrorMessage method throws NotImplementedException.

    protected String getTemplateErrorMessage(@Nullable String errorMessage, Map<String, Object> values) {
// todo VM
        throw new NotImplementedException("");

//        if (!Strings.isNullOrEmpty(errorMessage)) {
//            StringWriter writer = new StringWriter();
//            try {
//                GStringTemplateEngine engine = new GStringTemplateEngine();
//                engine.createTemplate(errorMessage).make(values).writeTo(writer);
//                return writer.toString();
//            } catch (ClassNotFoundException | IOException e) {
//                throw new IllegalStateException(e);
//            }
//        }
//        return errorMessage;
    }

• Minimal reproducible example

1. Define a validator with default validation message for TextField component.

@UiController("textfield-validator")
@UiDescriptor("textfield-validator.xml")
public class TextFieldValidatorSample extends ScreenFragment {

    @Autowired
    protected TextField<Integer> integerTextField;
    @Autowired
    protected TextField<Double> doubleTextField;
    @Autowired
    protected Notifications notifications;

    @Subscribe("validate")
    protected void onValidateClick(Button.ClickEvent event) {
        try {
            doubleTextField.validate();
            notifications.create()
                    .withCaption("Validation successful")
                    .show();
        } catch (ValidationException e) {
            notifications.create()
                    .withCaption("Validation failed: " + e.getMessage())
                    .withType(Notifications.NotificationType.ERROR)
                    .show();
        }
    }
}

<window xmlns="http://jmix.io/schema/ui/window">
    <layout>
        <hbox spacing="true">
            <textField id="doubleTextField"
                       caption="msg://doubleTextField"
                       datatype="double">
                <validators>
                    <doubleMin value="1.0" inclusive="true"/>
                    <doubleMax value="100.0" inclusive="true"/>
                </validators>
            </textField>
            <button id="validate" caption="msg://validateBtn"/>
        </hbox>
    </layout>
</window>

2. Enter a "0" in the doubleTextField

• Actual behavior
  NotImplementedException

  org.apache.commons.lang3.NotImplementedException: at io.jmix.ui.component.validation.AbstractValidator.getTemplateErrorMessage(AbstractValidator.java:68) at io.jmix.ui.component.validation.DoubleMinValidator.fireValidationException(DoubleMinValidator.java:188) at io.jmix.ui.component.validation.DoubleMinValidator.accept(DoubleMinValidator.java:172) at io.jmix.ui.component.impl.WebV8AbstractField.triggerValidators(WebV8AbstractField.java:226) at io.jmix.ui.component.impl.WebV8AbstractField.validate(WebV8AbstractField.java:219) at io.jmix.sampler.screen.ui.components.textfield.validator.TextFieldValidatorSample.onValidateClick(TextFieldValidatorSample.java:28) at io.jmix.core.common.event.EventHub.publish(EventHub.java:170) at io.jmix.ui.component.impl.WebAbstractComponent.publish(WebAbstractComponent.java:85) at io.jmix.ui.component.impl.WebButton.buttonClicked(WebButton.java:68)