Disable save and deploy buttons while loading

[alse]

• Saving state was being updated after the transaction completed when deploying a contract
• Save button was not using the updateProject function, which sets the saving state

---

For contributor use:

• Targeted PR against correct branch (see CONTRIBUTING.md)
• Linked to Github issue with discussion and accepted design OR link to spec that describes this work.
• Code follows the standards mentioned here.
• Updated relevant documentation
• Re-reviewed Files changed in the Github PR explorer
• Added appropriate labels

[vercel]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

Name	Status	Preview	Updated
flow-playground	✅ Ready (Inspect)	Visit Preview	Sep 16, 2022 at 8:33PM (UTC)