Make the sidebar Icon clean

Please make the sidebar Icon clean, as it reflects professional and modern as well. Don't use colored gradient icon for menu icon. Example like these: https://drive.google.com/file/d/1LVFvQmr5tbNt5VJZIjpUS9A9QqBUMFXA/view?usp=sharing

We have released menu manager to customize your menu. You can customize you menu now from settings. Thanks