Use underscores rather than spaces in pedigree export filenames

Description

Would suggest using underscores instead of spaces in pedigree export filenames ("P0000001_pedigree.ped" instead of "P0000001 pedigree.ped")

Environment

None

Assignee

Veronika Koltunova

Reporter

Sasha Andjic

Labels

None

External issue ID

None

Epic Link

Components

Fix versions

Priority

Medium
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