Fixes #13998.
pqSpreadSheetViewSelectionModel: when expanding selection, check for selection type before checking for properties on the selection source. This avoids the warning message reported in #13998 (closed).
Closes #13998 (closed)
pqSpreadSheetViewSelectionModel: when expanding selection, check for selection type before checking for properties on the selection source. This avoids the warning message reported in #13998 (closed).
Closes #13998 (closed)