Icon Failed to Render After Applying

Before:
<img width="696" alt="image" src="https://github.com/ahrm/chrome-fastread/assets/112845902/1bb0c2a8-00a7-46bf-8fcf-4f5719ad9409">
After:
<img width="668" alt="image" src="https://github.com/ahrm/chrome-fastread/assets/112845902/d5d1a8b9-cac0-43da-b6de-b2aeea8171bf">
