fix: add package parameter to generated asset provider method (#361)

Closes #360

Co-authored-by: Olivier Revial <[email protected]>
Co-authored-by: Daichi Furiya <[email protected]>

Author: orevial

examples/example/lib/gen/assets.gen.dart

@@ -570,7 +570,16 @@ class AssetGenImage {
     );
   }
 
-  ImageProvider provider() => AssetImage(_assetName);
+  ImageProvider provider({
+    AssetBundle? bundle,
+    String? package$packageParameter,
+  }) {
+    return AssetImage(
+      _assetName,
+      bundle: bundle,
+      package: package,
+    );
+  }
 
   String get path => _assetName;