Merge pull request #323 from baszalmstra/feat/implement_clone_rooted_struct

feat: derive clone for RootedStruct

Author: baszalmstra

crates/mun_runtime/src/adt.rs

@@ -289,6 +289,7 @@ impl<'s> Marshal<'s> for StructRef<'s> {
 
 /// Type-agnostic wrapper for interoperability with a Mun struct, that has been rooted. To marshal,
 /// obtain a `StructRef` for the `RootedStruct`.
+#[derive(Clone)]
 pub struct RootedStruct {
     handle: GcRootPtr,
     runtime: Rc<RefCell<Runtime>>,