fix(ios): let native screens choose interface appearance

• baeaedab1e fix(ios): let native screens control interface appearance glennmichael123 review this step
• 3dd306c4b9 feat(types): expose app appearance controls glennmichael123 review this step
• ff9f097d65 fix(ios): preserve native screen appearance config glennmichael123 review this step
• c1e2e99364 test(ios): advance appearance action ratchet glennmichael123 review this step
• bb5c0fcf58 fix(ios): update SwiftUI appearance at runtime glennmichael123 review this step
• 2ca51fce76 merge: sync main into issue-389-appearance glennmichael123 review this step
• ca135af9ca test(ios): ratchet appearance actions glennmichael123 review this step