[Carpet] weight is initialised differently with use_grid_structure_from_checkpoint feature turned on

[I.Hawke at soton.ac.uk]

Quoting I.Hawke at soton.ac.uk:

> Quoting Thomas Radke <tradke at aei.mpg.de>:
>
> > Me and Bruno still get different values in the norms output, even with
> > your patch "Carpet: Correct regridding error during recovery":
>
> For me Bruno's last parameter file gives identical results before and
> after
> checkpointing. This remains true if WaveToyMoL etc. is replaced with
> WaveToyC or similar. ???

Sorry - this is true only with experimental. With development it is still
broken.

Ian