Don't link page groups in inline link tooltips to their redirecting URL

packages/gitbook/src/lib/references.test.ts

@@ -627,12 +627,12 @@ describe('resolveContentRef for direct space links', () => {
             { label: 'API guides' },
             { label: 'Authentification' },
             { label: 'Référence', href: targetSiteSpace.urls.published },
-            { label: 'Getting started', icon: null, href: expect.any(String) },
+            { label: 'Getting started', icon: null },
         ]);
         expect(result?.ancestors?.[0]?.href).toBeUndefined();
         expect(result?.ancestors?.[1]?.href).toBeUndefined();
         expect(result?.ancestors?.[2]?.href).toBeUndefined();
-        expect(result?.ancestors?.[4]?.href).toBeTruthy();
+        expect(result?.ancestors?.[4]?.href).toBeUndefined();
     });
 
     it('uses the first document as the target for a page-group reference', async () => {

packages/gitbook/src/lib/references.tsx

@@ -276,7 +276,11 @@ export async function resolveContentRef(
                                 style={iconStyle}
                             />
                         ) : null,
-                    href: linker.toPathForPage({ page: ancestor, pages: revision.pages }),
+                    // A group's own URL only redirects to its first page.
+                    href:
+                        ancestor.type === 'group'
+                            ? undefined
+                            : linker.toPathForPage({ page: ancestor, pages: revision.pages }),
                 })) ?? [];
             if (!page) {
                 return null;