fix int overflow in AMReXGridReader
This fixes an int overflow issue in the AMReXGridReader where very large fields around the 4GB mark were rendering as NaNs.
Fixes issue paraview/paraview#21496
Edited by Corey Wetterer-Nelson (Kitware)
This fixes an int overflow issue in the AMReXGridReader where very large fields around the 4GB mark were rendering as NaNs.
Fixes issue paraview/paraview#21496