- each time something starts to play in any player VideoDetailFragment will be started (if not yet started) and mini player will show up. It makes possible to see a playing stream in mini player even if the stream was started without using fragment or after player service was closed somehow
- play/next/queue buttons will be updated in realtime when stream was added/removed from queue instead of waiting for a onPlay/onPause action to happen
- when popup or background players start the stream will start playing only if paused state wasn't requested. Which means, for example, if a user opens popup it will be started when START_PAUSED is false. If, for example, the stream was played in main player and then popup was started the stream will still be playing, but if it was paused it still be paused in popup (or background) in APPEND_ONLY mode (but will be playing on new queue initialization)
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