+BarAppendStaticOrReplaceStreamingThreadSafe() seeks 1 bar back to check and decide whether update/append

+StreamingSolidifier syncs streaming every 10 seconds to BAR file and on GenerateNow=Unchecked using UpstreamUnSubscribedFromSymbolNotification()
+reporting how milliseconds all DataSource.BarLoad/Compress/Save/Append took

TODO at GenerateNow=Unchecked, replacing streaming twice
TODO "BARS_UNSCALED_IS_NOT_SATISFIED Bars.BarAppendBind[NO_PARENT_BARS:autogen(1-Minute) "