Download Audacity 3.7.8

This is a patch release. It contains the following changes:
- #10688 Fixed an exception thrown when pasting into a newly-created track (Thanks, David Bailes (@DavidBailes)!)
- #10870, #10884, #10775, #10629 Fixed tone generation, waveform-scale setting, SetClip Name parameter,
and clip-boundary command names for scripting and macros (Thank you, David Bailes (@DavidBailes)!)
- #11106 Fixed the loading of presets for the Distortion effect (A million thanks, David Bailes (@DavidBailes)!)
- #10947 Fixed paste into an empty audio track not preserving the source sample rate (Thanks, Juan Gabriel Colonna (@juancolonna)!)
- #10776 Allowed AltGr modifier in label and clip name editing (Thanks, Davide Peressoni (@DPDmancul)!)
- #9938 Added options to choose where silence is truncated (start/middle/end) (Thanks, Noah Rosenfield (@nosenfield)!)
- #9935 Added Podcast 2.0 chapters JSON export for label tracks (Thanks, Noah Rosenfield (@nosenfield)!)
- #10103 Improve UI on HiDPI displays on Linux/wxGTK (Thanks, Ivan A. Melnikov (@iv-m)!)
- #10099 Fixed MixerBoard Mute and Solo button display (Thanks, Ivan A. Melnikov (@iv-m)!)
- #10681 Fixed multichannel FLAC import
- #10999 Fixed envelope being broken after joining clips