fix: dangerous small amount warning

[gomesalexandre]

Description

Fixes a bug introduced in https://github.com/shapeshift/web/pull/5971/files#diff-b6f4d6672824399e71740531e3b09efe3ad3fabeb3ad6c4ce0763969f9d39ab7R104, where we try and select selectSellAmountCryptoBaseUnit(state), which yields undefined because firstHop is undefined at that time:

Fixed by

1. using the correct local quote and running the same selector logic against it, instead of introspecting the not-yet-defined hop state
2. as a paranoia check, not assuming dangerous amount if !sellAmountCryptoBaseUnit which should not happen anymore, but in case it does, we are safu.

Pull Request Type

• 🐛 Bug fix (Non-breaking Change: Fixes an issue)
• 🛠️ Chore (Non-breaking Change: Doc updates, pkg upgrades, typos, etc..)
• 💅 New Feature (Breaking/Non-breaking Change)

Issue (if applicable)

closes #6037

Risk

This isn't high risk - while it does touch quote validation, it is moderate to low risk as we had all the logic baked in already for a long time and stable, but were reacting on the wrong value since #5971 refactor

High Risk PRs Require 2 approvals

Testing

• Dangerous sell amount warning is still displayed for small amounts
• Dangerous sell amount warning isn't displayed when the amount is greater than or equal to the minimum THOR-recommended amount

Engineering

☝🏽

Operations

• ☝🏽

Screenshots (if applicable)

• Amount smaller than the recommended minimum

• Amount equal to the recommended minimum

[gomesalexandre]

Current dependencies on/for this PR:

• develop
  • PR fix: dangerous small amount warning #6044 👈

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