fix(Avatar): Properly set referrerpolicy and crossorigin (#2391)

The `referrerpolicy` attribute was erronously set as `referrer-policy`, and
`crossorigin` was not set at all on the `<img/>` primitive. Properly set both
attributes.

See:
* https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Elements/img#referrerpolicy
* https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Attributes/crossorigin

Author: toofishes

packages/core/src/Avatar/AvatarImage.vue

@@ -51,7 +51,8 @@ watch(
     :as-child="asChild"
     :as="as"
     :src="src"
-    :referrer-policy="referrerPolicy"
+    :referrerpolicy="referrerPolicy"
+    :crossorigin="crossOrigin"
   >
     <slot />
   </Primitive>