fix(e2e): submit creation form in new-workspace test

clickNewWorkspaceButton now completes the full user flow: after
clicking the sidebar button, waits for the /new route, then clicks
the Create button to submit the empty form and trigger workspace
creation + redirect.

packages/app/e2e/helpers/new-workspace.ts

@@ -164,6 +164,14 @@ export async function clickNewWorkspaceButton(
   const button = page.getByTestId(`sidebar-project-new-worktree-${input.projectKey}`).first();
   await expect(button).toBeVisible({ timeout: 30_000 });
   await button.click();
+
+  await expect(page).toHaveURL(/\/h\/[^/]+\/new(?:\?.*)?$/, {
+    timeout: 30_000,
+  });
+
+  const createButton = page.getByRole("button", { name: "Create" });
+  await expect(createButton).toBeVisible({ timeout: 30_000 });
+  await createButton.click();
 }
 
 export async function assertNewWorkspaceSidebarAndHeader(