Support withdrawing and swapping all supported Robinhood Chain tokens from Vault

[lupitmoxie]

Hello,

I noticed that the Vault currently only supports WETH and USDG on Robinhood Chain.

However, users may have other ERC-20 tokens associated with their Vault that are visible on-chain. Since these tokens cannot be managed through the current UI, they become inaccessible unless users interact directly with the smart contract.

It would be very helpful if the Vault supported:

• Displaying all ERC-20 tokens held by the Vault.
• Allowing users to withdraw any supported token.
• Optionally allowing users to swap supported tokens to WETH or USDG before withdrawing.

This would improve usability and prevent users from having funds that are technically present on-chain but cannot be managed through the interface.

Thank you for your work!