Old versions of LineageOS had the ability to deny autostart permissions to specific apps, but they dropped it at some point due to how Android's design made it pointless. It turns out there are so many hooks for automatically running an activity, and so many major apps hook into all of them, that denying the "start at boot" permission did nothing in practice. Apps would launch their background services anyway when you first connected to WiFi, plugged in your phone, or any of a plethora of other triggers that weren't covered by the setting.