fix(FEC-12691): shaka Text Track Displayer does not work unless useNa…

…tiveTextTrack set to true

Co-authored-by: JonathanTGold <jonathan.gold@86@gmail.com>

Shaka Text Track Displayer does not work unless useNativeTextTrack set to true

solves: FEC-12691

src/dash-adapter.js

@@ -240,6 +240,7 @@ export default class DashAdapter extends BaseMediaSourceAdapter {
     }
     if (Utils.Object.hasPropertyPath(config, 'text.useShakaTextTrackDisplay')) {
       adapterConfig.useShakaTextTrackDisplay = Utils.Object.getPropertyPath(config, 'text.useShakaTextTrackDisplay');
+      adapterConfig.textTrackVisibile = adapterConfig.textTrackVisibile || adapterConfig.useShakaTextTrackDisplay;
     }
     if (Utils.Object.hasPropertyPath(config, 'streaming')) {
       const {streaming} = config;