fix negative bar group charts

[zibs]

Description

We need to check if there are negative values in any of the pointsets, and then draw from there if so.

Fixes #292

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

Checklist: (Feel free to delete this section upon completion)

• I have included a changeset if this change will require a version change to one of the packages.
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have run yarn run check:code and all checks pass
• I have created a changeset for new features, patches, or major changes
• I have added tests that prove my fix is effective or that my feature works
• My changes generate no new warnings
• Any dependent changes have been merged and published in downstream modules

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Name	Status	Preview	Comments	Updated (UTC)
victory-native-xl-docs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jun 14, 2024 7:32pm

[changeset-bot]

🦋 Changeset detected

Latest commit: 6ef3341

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
victory-native	Patch

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