Fix warnings

Change-Id: I44952c2989c1a48b4239baa5f4e6031f356d9d0e
Merge topic '14540_fix_disappearing_columns' into next

07007dd1 Fix warnings
BUG #14540: Fix issue with disappearing columns.

The bug was introduced due to the view reordering columns as the model was
reset. Fixed that by moving the re-ordering logic to vtkSpreadSheetView itself.
Also sorted all columns based on array names.

Change-Id: If912a690f61205383922c8318b0d621e15e68fb3
Merge topic '14540_fix_disappearing_columns' into next

ec30c1f1 BUG #14540: Fix issue with disappearing columns.