Refund on an unlimited channel was rejected due to the rate limit #4822
Description
On an unlimited-rate channel, any mint/unescrow should work. However, the IBC refund when the timeout on the unlimited channel didn't work on the Namada housefire.
vps_result: VpsResult { accepted_vps: {Internal Multitoken: tnam1pyqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqej6juv, Implicit: tnam1qq4hsdxkwvz8ld0kvdpsmc7fk8jjy2cnycxg2msu}, rejected_vps: {Internal IBC: tnam1qcqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqvtr7x4}, errors: [(Internal IBC: tnam1qcqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqvtr7x4, "Native VP error: IBC rate limit: Transfer exceeding the mint limit is not allowed: Mint limit 0, minted amount 3839264534473020")],
It is caused by the IBC message type Timeout not being considered in the rate limit check.