LibJS/JIT: Compile the HasPrivateId instruction

Author: https://github.com/skyrising
Commit: a16082c6a5
Pull-request: https://github.com/SerenityOS/serenity/pull/21686

Userland/Libraries/LibJS/Bytecode/Op.h

@@ -645,6 +645,8 @@ public:
     ThrowCompletionOr<void> execute_impl(Bytecode::Interpreter&) const;
     DeprecatedString to_deprecated_string_impl(Bytecode::Executable const&) const;
 
+    IdentifierTableIndex property() const { return m_property; }
+
 private:
     IdentifierTableIndex m_property;
 };