Fix usages of the plot updater, introduced to track real-time
telemetry to remove the need to cache values elsewhere. This
allows memory usage to be decreased for WTD-751.
When changes to pan-zoom bounds are made in one
subplot, this will effect the pan-zoom bounds of
other subplots. Ensure this occurs immediately.
WTD-625.
Utilize PlotPanZoomStackGroup; that is, utilize changes
such that a set of pan-zoom stacks can be treated as one,
while their domain axis synchronizes, and their range
axis does not. WTD-625.
