Add property hints to MovieWriter settings

- Rename audio mix rate setting as the suffix is now part of the
  property hint. This is also more consistent with existing mix rate
  project settings.
- Improve the MovieWriter class reference.
- Tweak warning message about audio possibly going out of sync.

1 files changed, 1 insertions, 1 deletions

diff --git a/servers/movie_writer/movie_writer_mjpeg.cpp b/servers/movie_writer/movie_writer_mjpeg.cpp
index b0c65e768d..7d9e6e3b87 100644
--- a/servers/movie_writer/movie_writer_mjpeg.cpp
+++ b/servers/movie_writer/movie_writer_mjpeg.cpp
@@ -257,7 +257,7 @@ void MovieWriterMJPEG::write_end() {
 }
 
 MovieWriterMJPEG::MovieWriterMJPEG() {
-	mix_rate = GLOBAL_GET("editor/movie_writer/mix_rate_hz");
+	mix_rate = GLOBAL_GET("editor/movie_writer/mix_rate");
 	speaker_mode = AudioServer::SpeakerMode(int(GLOBAL_GET("editor/movie_writer/speaker_mode")));
 	quality = GLOBAL_GET("editor/movie_writer/mjpeg_quality");
 }