Move the manganis into attribute value implementation into dioxus core (#2765)

packages/core/src/nodes.rs

@@ -1096,6 +1096,13 @@ impl<T: IntoAttributeValue> IntoAttributeValue for Option<T> {
     }
 }
 
+#[cfg(feature = "manganis")]
+impl IntoAttributeValue for manganis::ImageAsset {
+    fn into_value(self) -> AttributeValue {
+        AttributeValue::Text(self.path().to_string())
+    }
+}
+
 /// A trait for anything that has a dynamic list of attributes
 pub trait HasAttributes {
     /// Push an attribute onto the list of attributes