v2.78

• SUP-18895 - Vertical Space for Thai Captions is too narrow
• FEC-9241 - [Player_V2][Playback] - When post-roll is finished, the video is replaying automatically
• SUP-18987 - When we embed a playlist vertically the 360 videos show a little wider than when we embed a playlist horizontally.
• FEC-8849 - V2 - Update HLS.JS to version 12
• FEC-9034 - V2 player - allow present more than one audio asset with same language code
• Fev 248 [IVQ Player] Welcome screen - need to update text & icons (#4053)
• FEV-250 change styles for selected multiple-choice button (#4050)