v2.64.rc4

• FEC-7267 - YouTube player error when ad load fails
• SUP-12262 - YouTube Videos cannot be played
• SUP-12276 - Scrubber end-point losing colour / formatting when moving back and forth
• SUP-4615 - Audio - left/right panning control
• FEV-109 - When trying to click on change views, users accidentally pause the video