REAPER v6.59+dev0606

v6.59+dev0606 - June 6 2022

* Includes feature branch: various drawing integer overflow fixes with non-sensical values [t=267310]
* Includes feature branch: fixed lane play markers
* Includes feature branch: pre-FX/pre-fader output recording
* Includes feature branch: improve experimental silent-track CPU reduction option to include FX tail length
* Includes feature branch: media item fixed lanes
* Includes feature branch: internal pin management overhaul for future extension
+ Media item fixed lanes: display lane collapse/expand button on TCP
+ Media item fixed lanes: prevent exiting fixed lane view if it would cause playback to change
+ Media item fixed lanes: when exiting fixed lane view, display only media items that play back; hide other media items
+ Theme: using front for mcp.extmixer now brings extmixer background higher in the Z-order
# FX: fix delayed plug-in UI opening when showing chains manually [p=2566273]
# Media item fixed lanes: fix adjusting lane solo when deleting a lane
# Media item fixed lanes: fix removing media items when deleting lanes
# Media item fixed lanes: various fixed-lane actions work even if there is only one lane