Kwargs: startProfileAt (#6424)

Previous:

```
startProfileAt([x, y], %)
startProfileAt([x, y], sketch001)
```

New:
```
startProfile(%, at = [x, y])
startProfile(sketch001, at = [x, y])
```

e2e/playwright/testing-settings.spec.ts

@@ -767,7 +767,7 @@ test.describe(
         localStorage.setItem(
           'persistCode',
           `sketch001 = startSketchOn(XZ)
-    |> startProfileAt([0, 0], %)
+    |> startProfile(at = [0, 0])
     |> line(end = [5, 0])
     |> line(end = [0, 5])
     |> line(end = [-5, 0])