Update the settings icon to reflect what we use in XDS.

[n8thegr8]

It should be 32px and have a margin of 15px on the right.

Link(s) to Storybook on docspot: https://docspot.adnxs.net/projects/lucid/CXP-3064-update-panel-icon-size

• Manually tested across supported browsers

  • [x] Chrome
  • [ ] Firefox
  • [ ] Safari

• [x] Two cxp team engineer approvals

• [ ] One product design approval (as necessary)

• [x] Unit tests written (common at minimum)

• [x] PR has one of the semver- labels

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