EIP-1559 - Small UI Tweaks

As provided by @jakehaugen:

## Prioritized paper cuts

- [ ] (PR: https://github.com/MetaMask/metamask-extension/pull/11768) https://www.notion.so/Radio-buttons-are-small-this-may-be-a-global-change-we-need-t[…]e-everywhere-Should-be-18px-v-1a3740d4230f4b90adcef91f2cf7a7d1

- [ ] (PR: https://github.com/MetaMask/metamask-extension/pull/11771) https://www.notion.so/Radio-button-options-are-not-centered-in-dialog-Looks-like-maybe-it-s-centered-including-the-labels-66e2d479abdf4d539d38d3e4bf6d1a08

- [x] (PR: https://github.com/MetaMask/metamask-extension/pull/11769) https://www.notion.so/Spacing-between-type-and-radio-buttons-should-be-24px-e1e2feb357ab403a8434bfe57c9c6650

- [ ] https://www.notion.so/Vertical-spacing-between-the-estimated-amount-max-amount-and-time-should-all-be-16px-equal-258da809a8cd45c0ae52d328a62beb2b

- [x] (PR: https://github.com/MetaMask/metamask-extension/pull/11770) https://www.notion.so/Selected-radio-button-label-should-be-Black-8929aeb4001f4a17837376396c6c7d8a

- [x] (PR: https://github.com/MetaMask/metamask-extension/pull/11796) https://www.notion.so/Max-fee-should-be-bolded-just-the-label-not-the-amount-1ea80a19e9b54d2e8eef2aa5cb962781

- [x] (PR: https://github.com/MetaMask/metamask-extension/pull/11796) https://www.notion.so/Up-to-amount-should-be-Max-fee-amount-aeafa8065ae0410db371f50c75206663

- [x] https://www.notion.so/Missing-hover-state-for-high-med-low-options-77dd4f8c811548ca9701f5b5fd09b67f - Hover state isn't possible with native controls.

- [x] https://www.notion.so/While-hovering-over-options-the-pointer-link-cursor-should-ap[…]urrently-just-shows-the-norma-fc70efd8913f4ba9959e400f1cb10a2a

- [ ] https://www.notion.so/Spacing-between-type-and-radio-buttons-should-be-24px-e1e2feb357ab403a8434bfe57c9c6650

- [ ] https://www.notion.so/Vertical-space-between-options-and-Advanced-settings-should-be-40px-6f9d9e2bcfbb4be1a384595023a00f49

The issue provides no repository files, tests, or entry points; it links to external Notion descriptions and several pull requests. Review the unchecked items and related pull requests first, then identify the affected UI code. Done means resolving the remaining unchecked spacing and layout tweaks, with the checklist reflecting the completed work.

Written by the indexing model from the issue text.