Match job names in global search suggestions (#26690)

core/src/main/java/jenkins/model/Jenkins.java

@@ -149,6 +149,7 @@ import hudson.search.CollectionSearchIndex;
 import hudson.search.SearchIndex;
 import hudson.search.SearchIndexBuilder;
 import hudson.search.SearchItem;
+import hudson.search.UserSearchProperty;
 import hudson.security.ACL;
 import hudson.security.ACLContext;
 import hudson.security.AccessControlled;
@@ -241,6 +242,7 @@ import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
+import java.util.Locale;
 import java.util.Map;
 import java.util.Objects;
 import java.util.Properties;
@@ -2419,6 +2421,28 @@ public class Jenkins extends AbstractCIBase implements DirectlyModifiableTopLeve
                     protected Iterable<TopLevelItem> allAsIterable() {
                         return allItems(TopLevelItem.class);
                     }
+
+                    @Override
+                    public void suggest(String token, List<SearchItem> result) {
+                        boolean caseInsensitive = UserSearchProperty.isCaseInsensitive();
+                        String searchToken = caseInsensitive ? token.toLowerCase(Locale.ROOT) : token;
+                        for (TopLevelItem item : allAsIterable()) {
+                            if (item != null && (contains(item.getName(), searchToken, caseInsensitive)
+                                    || contains(item.getDisplayName(), searchToken, caseInsensitive))) {
+                                result.add(item);
+                            }
+                        }
+                    }
+
+                    private boolean contains(String value, String token, boolean caseInsensitive) {
+                        if (value == null) {
+                            return false;
+                        }
+                        if (caseInsensitive) {
+                            value = value.toLowerCase(Locale.ROOT);
+                        }
+                        return value.contains(token);
+                    }
                 })
                 .add(getPrimaryView().makeSearchIndex())
                 .add(new CollectionSearchIndex() { // for computers

test/src/test/java/hudson/search/SearchTest.java

@@ -348,6 +348,7 @@ public class SearchTest {
     @Test
     void testCompletionOutsideView() throws Exception {
         FreeStyleProject p = j.createFreeStyleProject("foo-bar");
+        p.setDisplayName("display-name-only");
         ListView v = new ListView("empty1", j.jenkins);
         ListView w = new ListView("empty2", j.jenkins);
         j.jenkins.addView(v);
@@ -360,6 +361,7 @@ public class SearchTest {
         assertFalse(j.jenkins.getPrimaryView().contains(p));
 
         assertTrue(suggest(j.jenkins.getSearchIndex(), "foo").contains(p));
+        assertTrue(suggest(j.jenkins.getSearchIndex(), "display-name").contains(p));
     }
 
     @Issue("SECURITY-385")