[getting-started-google-antigravity] Typo on Inspecting the Artifacts

[EmeraldZhu]

Typo found here: https://codelabs.developers.google.com/getting-started-google-antigravity#3

Typo: On the Top Right, next to Review changes in Agent Manager view, you should be able to see a button to toggle the artifacts or its its toggled on, you can see the generated artifacts list:

Corrected: On the Top Right, next to Review changes in Agent Manager view, you should be able to see a button to toggle the artifacts or if it's toggled on, you can see the generated artifacts list: