test: scope selected runtime project assertions to the sidebar

tests/e2e/pr11346-selected-runtime-add.spec.ts

@@ -727,7 +727,12 @@ async function runSelectedRuntimeAddJourney(
       ...fixture.nestedRepoPaths.map((repoPath) => path.basename(repoPath))
     ]) {
       // Why: duplicate checkout names are disambiguated with a parent path.
-      await expect(client.page.getByText(projectName, { exact: false }).first()).toBeVisible()
+      await expect(
+        client.page
+          .getByRole('listbox', { name: 'Worktrees', exact: true })
+          .getByText(projectName, { exact: false })
+          .first()
+      ).toBeVisible()
     }
     expect(await client.getDirectSshAttemptTargetIds()).toEqual([])
     // Why: revealing the client must not leak into the HUB's window visibility.