Tree item abort (#6757)

* adding abortSignal back to composition load
* suppress AbortError console.errors from couch, delay requests for test to trigger abort
---------

Co-authored-by: John Hill <john.c.hill@nasa.gov>
Co-authored-by: Andrew Henry <akhenry@gmail.com>

e2e/tests/functional/forms.e2e.spec.js

@@ -192,8 +192,12 @@ test.describe('Persistence operations @couchdb', () => {
     ]);
 
     //Slow down the test a bit
-    await expect(page.getByRole('treeitem', { name: `  ${myItemsFolderName}` })).toBeVisible();
-    await expect(page2.getByRole('treeitem', { name: `  ${myItemsFolderName}` })).toBeVisible();
+    await expect(
+      page.getByRole('button', { name: `Expand ${myItemsFolderName} folder` })
+    ).toBeVisible();
+    await expect(
+      page2.getByRole('button', { name: `Expand ${myItemsFolderName} folder` })
+    ).toBeVisible();
 
     // Both pages: Click the Create button
     await Promise.all([