LibJS: Implement bytecode ops for logical expressions

Author: https://github.com/gunnarbeutner
Commit: 6da587b59b
Pull-request: https://github.com/SerenityOS/serenity/pull/7904
Reviewed-by: https://github.com/awesomekling

Userland/Libraries/LibJS/AST.h

@@ -557,6 +557,7 @@ public:
 
     virtual Value execute(Interpreter&, GlobalObject&) const override;
     virtual void dump(int indent) const override;
+    virtual Optional<Bytecode::Register> generate_bytecode(Bytecode::Generator&) const override;
 
 private:
     LogicalOp m_op;