direct stream content from plex if needed (#1165)

* start to stream directly from plex

* update metadata and statistics with one plex api call

* stream movies from plex

* scanning bug fix; update changelog

CHANGELOG.md

@@ -7,6 +7,12 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 ### Fixed
 - Align default docker image (no acceleration) with new images from [ErsatzTV-ffmpeg](https://github.com/jasongdove/ErsatzTV-ffmpeg)
 
+### Changed
+- Plex libraries now retrieve all metadata and statistics from Plex; ffprobe is no longer used
+- Plex libraries now direct stream content from Plex when files are not found on ErsatzTV's file system
+  - Content will still be normalized according to the Channel and FFmpeg Profile settings
+  - Streaming from disk is preferred, so every playback attempt will first check the local file system
+
 ## [0.7.4-beta] - 2023-02-12
 ### Added
 - Add button to copy/clone schedule from schedules table