Elevation Controller for filtering vertical data in 2d maps

[PieterE]

Saw this feature in Qgis release and think it would also be useful in ArcGIS PRO:

Make it possible in the GUI to filter DTM data.

Elevation controller

Bonus points for: 

• Making it possible to choose an over/under color (instead of making it transparant).
• Apply the filter to the legend (bounds)
• fixed elevation slice, with DRA:
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