Fix video player sizing (#1764)

* Fix video player sizing
* Add explanation

ui/v2.5/src/components/Changelog/versions/v0100.md

@@ -24,6 +24,7 @@
 * Added sv-SE language option. ([#1691](https://github.com/stashapp/stash/pull/1691))
 
 ### 🐛 Bug fixes
+* Fix video player aspect ratio shifting sometimes when clicking scene tabs. ([#1764](https://github.com/stashapp/stash/pull/1764))
 * Fix video transcoding process starting before video is played. ([#1780](https://github.com/stashapp/stash/pull/1780))
 * Don't scan zero-length files. ([#1779](https://github.com/stashapp/stash/pull/1779))
 * Accept svg files in file selector for tag images. ([#1778](https://github.com/stashapp/stash/pull/1778))

ui/v2.5/src/components/ScenePlayer/styles.scss

@@ -16,6 +16,13 @@ $sceneTabWidth: 450px;
     outline: 0;
   }
 
+  /* stylelint-disable */
+  .jw-video {
+    // #1764 - jwplayer sets object-fit: fit in the style. Need to override it.
+    object-fit: contain !important;
+  }
+  /* stylelint-enable */
+
   .video-wrapper {
     height: 56.25vw;