Scaler 2.5 overwriting full sessions

HI I tried saving a new preset and selecting entire session after clearing out the recorded notes in section a. When replacing the existing preset and then loading it again, the chords in section a still show up instead of loading section c into section a.

Also a slight improvement could be made when dragging a chord over a pattern. the delay to switch to the pattern is a bit long slowing down workflow a little.