REAPER v6.34+dev0814

v6.34+dev0814 - August 14 2021

* Includes feature branch: MIDI editor note reordering
* Includes feature branch: media item lanes
+ Render: more informative error message if target file cannot be created
+ Render: support dithering primary and secondary render format to different bit depths [t=256483]
# FX: don't reset pin connector if reset menu is closed without making a selection
# JSFX: fix channel mapper mousewheel edits for linked channels