In safari mobile web audio language mismatch in portait mode to full screen

In Safari mobile web - when user plays the content in normal window (potrait mode) and selects the Sound quality gujarati stereo to hindi stereo then user clicks on full screen, the same option is not selected in audio language selection but audio sound is fine(hindi stereo) with the selected value in potrait mode https://drive.google.com/file/d/18hx0eFn6Zy0t9o2-HnR_zy2p2WOJSkda/view