Load a persisted FbsChannelStateJson gracefully (the normalizeEqBand idiom): a pre-#116 holdMinutes becomes seconds, a current shape passes through untouched, and a shape with neither key gets the default hold.
normalizeEqBand
holdMinutes
Load a persisted FbsChannelStateJson gracefully (the
normalizeEqBandidiom): a pre-#116holdMinutesbecomes seconds, a current shape passes through untouched, and a shape with neither key gets the default hold.