I had the same issue of Copilot hijacking suggestions with Intellij family of IDEs. Apparently there is a setting, disabled by default, to show both the suggest

I had the same issue of Copilot hijacking suggestions with Intellij family of IDEs. Apparently there is a setting, disabled by default, to show both the suggestions (copilot's and Intellij's). Not on my laptop but it's somewhere in Settings > languages and frameworks> Copilot