Unfortunately, we don't have a quick fix for this issue. Please rest assured that our Engineering team is aware and working on a solution.
In the meantime, you can deactivate the Grammarly browser extension for the website(s) in question. To do that, please click the G icon on your browser’s toolbar and switch off Check for writing suggestions and Show definitions and synonyms via double clicks.
Alternatively, consider trying Grammarly for Windows and Mac, which integrates with multiple websites and applications. You will be able to move the Grammarly icon to any place on the screen when using this product offering.