[JENKINS-72443] Do not show copy option without visible items (#8763)

Co-authored-by: Daniel Beck <daniel-beck@users.noreply.github.com>

core/src/main/resources/hudson/model/View/newJob.jelly

@@ -48,7 +48,7 @@ THE SOFTWARE.
 
             <div id="items" class="categories flat" role="radiogroup" aria-labelledby="Items" data-valid="false" />
 
-            <j:if test="${!empty(app.itemMap)}">
+            <j:if test="${!empty(app.items)}">
               <div class="item-copy">
                 <p class="description">${%CopyOption.description}</p>
                 <div class="add-item-copy">

test/src/test/java/jenkins/model/NewJobCopyFromTest.java

@@ -0,0 +1,32 @@
+package jenkins.model;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.hamcrest.CoreMatchers.nullValue;
+import static org.hamcrest.MatcherAssert.assertThat;
+
+import hudson.model.Item;
+import java.io.IOException;
+import org.junit.Rule;
+import org.junit.Test;
+import org.jvnet.hudson.test.JenkinsRule;
+import org.jvnet.hudson.test.MockAuthorizationStrategy;
+import org.xml.sax.SAXException;
+
+public class NewJobCopyFromTest {
+    @Rule
+    public JenkinsRule j = new JenkinsRule();
+
+    @Test
+    public void checkLabel() throws IOException, SAXException {
+        try (JenkinsRule.WebClient wc = j.createWebClient()) {
+            // no items - validate assertion
+            assertThat(wc.goTo("newJob").getElementById("from"), is(nullValue()));
+
+            // actual test
+            j.createFreeStyleProject();
+            j.jenkins.setSecurityRealm(j.createDummySecurityRealm());
+            j.jenkins.setAuthorizationStrategy(new MockAuthorizationStrategy().grant(Item.CREATE, Jenkins.READ).everywhere().toEveryone());
+            assertThat(wc.goTo("newJob").getElementById("from"), is(nullValue()));
+        }
+    }
+}