pqAnimationModel assert failure and stackoverflow while moving the timebar in "SnapToTimeSteps" in debug mode.

pqAnimationModel assert failure and stackoverflow while moving the timebar in "SnapToTimeSteps" in debug mode. It happens when no temporal dataset is loaded.

Steps to reproduce:

Launch Paraview in Debug mode
View -> Animation View
Switch to "Snap To TimeSteps" mode
Click and drag the time bar
Assert failure and stackoverflow

Debug Error!

Program: C:\Qt\5.15.0\msvc2019_64\bin\Qt5Cored.dll
Module: 5.15.0
File: C:\Qt\5.15.0\msvc2019_64\include\QtCore/qlist.h
Line: 579

ASSERT failure in QList<T>::operator[]: "index out of range", file C:\Qt\5.15.0\msvc2019_64\include\QtCore/qlist.h, line 579

The callstack points to this call > pqAnimationModel::timeFromTick(int tick) Line 281 C++

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