feat: rate changed 1% negative threshold

[gomesalexandre]

Description

Ensures there's 1% (as 100bps for the sake of making things flexible enough in case we want to make that number more granular) bps threshold to display the rate changed modal.

Issue (if applicable)

closes #8911

Risk

High Risk PRs Require 2 approvals

What protocols, transaction types, wallets or contract interactions might be affected by this PR?

Low/None

Testing

• Ensure you don't see the rate changed modal with less than 1% downside (and still don't see it in case of any upside)

Engineering

• ^

Operations

• 🏁 My feature is behind a flag and doesn't require operations testing (yet)

• ^

Screenshots (if applicable)

https://jam.dev/c/c80eb15a-754d-42d3-94de-e1a4a06df5a8