LibJS/Bytecode: Fix typo in object binding an entry with no alias

In object binding, we would attempt to get NonnullRefPtr<Identifier>
from alias on the alias.has<Empty>() code path. In this case, we need
to get it from name instead.

Userland/Libraries/LibJS/Bytecode/ASTCodegen.cpp

@@ -979,7 +979,7 @@ static Bytecode::CodeGenerationErrorOr<void> generate_object_binding_pattern_byt
                 };
             }
 
-            auto& identifier = alias.get<NonnullRefPtr<Identifier>>()->string();
+            auto& identifier = name.get<NonnullRefPtr<Identifier>>()->string();
             generator.emit<Bytecode::Op::SetVariable>(generator.intern_identifier(identifier), initialization_mode);
         } else {
             auto& identifier = alias.get<NonnullRefPtr<Identifier>>()->string();