Merge pull request #8905 from MicrosoftDocs/caburk-patch-3

Update commanding-use-powerfx.md

Author: Mattp123

powerapps-docs/maker/model-driven-apps/commanding-use-powerfx.md

@@ -205,6 +205,7 @@ The following Power Fx functions are currently not supported with commanding in
 - Back()
 - Clear()
 - Collect()
+- Copy()
 - Disable()
 - Enable()
 - Exit()