Remove check on the Start Sketch button (#7004)

e2e/playwright/test-utils.ts

@@ -551,11 +551,6 @@ export async function getUtils(page: Page, test_?: typeof test) {
 
     createNewFile: async (name: string) => {
       return test?.step(`Create a file named ${name}`, async () => {
-        // If the application is in the middle of connecting a stream
-        // then creating a new file won't work in the end.
-        await expect(
-          page.getByRole('button', { name: 'Start Sketch' })
-        ).not.toBeDisabled()
         await page.getByTestId('create-file-button').click()
         await page.getByTestId('tree-input-field').fill(name)
         await page.keyboard.press('Enter')