[QA] "An unknown RPC error occurred" when claiming asset with Keplr wallet

[tsadovska]

Describe the current behavior in detail

Reproducible on https://preview.portalbridge.com/7e1e7d6a3d/ and https://deploy-preview-2838--wormhole-connect-mainnet.netlify.app/.

Steps:

1. Initiate a transfer: 0.000001 WBNB from Arbitrum (Keplr) to BSC (Keplr)
2. Click on "Claim" button

Actual result: Transaction fails.
Expected result: Transaction completes without error.

Notes/ Attachments

Error while manually redeeming: unknown - Error: could not coalesce error (error={ "code": -1, "message": "An unknown RPC error occurred.\n\nDetails: transaction underpriced: gas tip cap 0, minimum needed 1000000000\nVersion: [email protected]" }, payload={ "id": 7, "jsonrpc": "2.0", "method": "eth_sendTransaction", "params": [ { "chainId": "0x38", "data": "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", "from": "0x9631288f4050f7cfbf77b77f8540decf6cfc7012", "gas": "0x424e9", "to": "0xb6f6d86a8f9879a9c87f643768d9efc38c1da6e7" } ] }, code=UNKNOWN_ERROR, version=6.13.4)