flutter: fix opacity not applied while codegen (#194)

Co-authored-by: PramUkesh <pramukesh@decentnet.dev>

Author: 2 people

packages/backend/src/flutter/flutterDefaultBuilder.ts

@@ -28,6 +28,8 @@ export class FlutterDefaultBuilder {
       this.child = flutterVisibility(node, this.child);
       this.child = flutterRotation(node, this.child);
       this.child = flutterOpacity(node, this.child);
+    } else if ("opacity" in node) {
+      this.child = flutterOpacity(node, this.child);
     }
     return this;
   }