ref(onboarding): Clean up animated logo mask fill and default props

Use content.accent for the mask fill to match the stroke color, drop the
unnecessary React.CSSProperties cast, and remove the redundant default
size prop.

Author: jaydgoss

static/app/components/animatedSentryLogo.tsx

@@ -70,9 +70,9 @@ export function AnimatedSentryLogo({
         x="50"
         y="72"
         maskUnits="userSpaceOnUse"
-        style={{maskType: 'alpha'} as React.CSSProperties}
+        style={{maskType: 'alpha'}}
       >
-        <path fill={theme.tokens.graphics.accent.vibrant} d={SENTRY_GLYPH} />
+        <path fill={theme.tokens.content.accent} d={SENTRY_GLYPH} />
       </mask>
 
       {/* Muted base shape */}

static/app/views/onboarding/onboarding.tsx

@@ -391,7 +391,7 @@ export function OnboardingWithoutContext() {
         )}
         {scmLogoProgress !== null && (
           <Container alignSelf="center">
-            <AnimatedSentryLogo progress={scmLogoProgress} size={72} />
+            <AnimatedSentryLogo progress={scmLogoProgress} />
           </Container>
         )}
         <AnimatePresence mode="wait" onExitComplete={updateAnimationState}>