Avoid letting the user click the Enable collection button if the enabling process is pending

[kevinszuchet]

🎉 Description

• [ ] 🐛 This is a bug report.
• [ ] 📈 This is a feature request.

📝 Details

After upload and enable the collection, the enable button still appears after enabled the collection, and I tried again. It thrown me an error.

🔢 Steps To Reproduce Issue [ Good To Have ]

Please remember that with baby steps it's easier to reproduce the bug and it's much faster to fix it.

- Go to the curation tab
- Go to an approved collection
- Click the Enable button
- Click the upload button
- Click the Enable button
- Sign the transaction
- Close the modal
- Try to enable the collection again if you still see the Enable button on the top right corner