[WFLY-16195] Add a dummy entity for security-domain-to-domain in orde…

…r for the import.sql script to get run

security-domain-to-domain/web/pom.xml

@@ -84,6 +84,11 @@
             <artifactId>wildfly-elytron</artifactId>
             <scope>provided</scope>
         </dependency>
+        <dependency>
+            <groupId>jakarta.persistence</groupId>
+            <artifactId>jakarta.persistence-api</artifactId>
+            <scope>provided</scope>
+        </dependency>
     </dependencies>
 
     <build>

security-domain-to-domain/web/src/main/java/org/wildfly/quickstarts/security_domain_to_domain/web/DummyEntity.java

@@ -0,0 +1,33 @@
+/*
+ * JBoss, Home of Professional Open Source
+ * Copyright 2022, Red Hat, Inc. and/or its affiliates, and individual
+ * contributors by the @authors tag. See the copyright.txt in the
+ * distribution for a full listing of individual contributors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.wildfly.quickstarts.security_domain_to_domain.web;
+
+import java.io.Serializable;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.Id;
+
+@SuppressWarnings("serial")
+@Entity
+// This class should be removed once https://issues.redhat.com/browse/WFLY-16871 is resolved
+public class DummyEntity implements Serializable {
+
+    @Id
+    @GeneratedValue
+    private Long id;
+}