Trackball appears when I select any object but not in Rotate mode I'm not in Rotate mode, yet the trackball appears in every type of select mode (Tweak, Select Box, Select Circle, Select Lasso). It's also there in every mode's own select tool (Object Mode, Edit Mode, etc.). I did stumble upon the same question on here but apparently it was deleted? How do I get rid of it?
If you've enabled it in the Viewport Gizmos panel it will appear whatever you do: