fix Button contradictory ARIA on non-link variant (#2430)

The non-link Button variant set role="button" together with accessible={false},
which makes screen readers ignore the role. Removing accessible={false} so the
button is exposed to assistive technology.

Author: azizbecha

components/Button.tsx

@@ -48,7 +48,7 @@ export function Button({
           </View>
         </A>
       ) : (
-        <View role="button" focusable={false} style={buttonStyle} accessible={false} {...rest}>
+        <View role="button" focusable={false} style={buttonStyle} {...rest}>
           {content}
         </View>
       )}