Change default subtitle aspect mode from 'stretch' to 'contain'

src/plugins/htmlVideoPlayer/plugin.js

@@ -208,7 +208,7 @@ function getBitmapSubtitleDisplaySettings() {
     }
 
     return {
-        aspectMode: 'stretch'
+        aspectMode: 'contain'
     };
 }
 

src/scripts/settings/userSettings.js

@@ -39,7 +39,7 @@ function filterQuerySettings(query, allowedItems) {
 
 const defaultSubtitleAppearanceSettings = {
     verticalPosition: -3,
-    aspectMode: 'stretch'
+    aspectMode: 'contain'
 };
 
 const defaultComicsPlayerSettings = {