The MIDI editor scroll and zoom are hidden within the CFGEDITVIEW field
Code:
ME_LeftmostTick, ME_HorzZoom, ME_TopPitch, ME_PixelsPerPitch = activeTakeChunk:match("\nCFGEDITVIEW (%S+) (%S+) (%S+) (%S+)")
ME_LeftmostTick: Scroll position, given by the leftmost tick visible in the editor.
ME_HorzZoom: If the MIDI editor's timebase = project synced or project time, horizontal zoom is given as pixels per second. If timebase is beats, pixels per tick.
ME_PixelsPerPitch: Vertical zoom