Fix: buffer level reporting as 0 when text track disabled

Author: ryanmccartney

src/streaming/controllers/BufferController.js

@@ -748,9 +748,8 @@ function BufferController(config) {
         return null;
     }
 
-
     function _onPlaybackProgression() {
-        if (!replacingBuffer || (type === Constants.TEXT && textController.isTextEnabled())) {
+        if (!replacingBuffer && (type === Constants.TEXT && textController.isTextEnabled())) {
             _updateBufferLevel();
         }
     }