Upsampling after nucleus segmentation should happen prior to stacking

[yichechang]

ideally we should upscale montaged view first, before stacking into timeseries.

https://github.com/yichechang/abc-mobility/blob/229b23464eb5dc6d38ddc32d27712d4717a4c027/workflow/scripts/segment_nuclei_in_time.py#L76-L84