🐛 [BUG] - In the Channel Creation page fix the name issue

[abhishek-01k]

Expected Behaviour

Fix the typo in the Channel Creation page, where it says Ethereum Sepolia it should say Ethereum Mainnet.

Current Behaviour

It says Ethereum sepolia on mainnet.

Reproduction steps

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Screenshots

![DESCRIPTION](LINK.png)

Relevant Logs

No response

Dapp Env

Prod (app.push.org)

Browsers

No response