FIX: Handle error bar empty theme object

[masiddee]

Description

Add default borderWidth value

Fixes #3038

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?

Pass an empty object to the theme property of VictoryErrorBar component

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 all builds, tests, and linting and all checks pass
• 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

[changeset-bot]

🦋 Changeset detected

Latest commit: 5a56034

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

This PR includes changesets to release 30 packages

Name	Type
victory-errorbar	Patch
victory	Patch
victory-area	Patch
victory-axis	Patch
victory-bar	Patch
victory-box-plot	Patch
victory-brush-container	Patch
victory-brush-line	Patch
victory-candlestick	Patch
victory-canvas	Patch
victory-chart	Patch
victory-core	Patch
victory-create-container	Patch
victory-cursor-container	Patch
victory-group	Patch
victory-histogram	Patch
victory-legend	Patch
victory-line	Patch
victory-native	Patch
victory-pie	Patch
victory-polar-axis	Patch
victory-scatter	Patch
victory-selection-container	Patch
victory-shared-events	Patch
victory-stack	Patch
victory-tooltip	Patch
victory-vendor	Patch
victory-voronoi-container	Patch
victory-voronoi	Patch
victory-zoom-container	Patch

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Name	Status	Preview	Updated (UTC)
victory	✅ Ready (Inspect)	Visit Preview	Jan 31, 2025 7:17pm

[github-actions]

Folder/File	Previous size	New size	Difference
/packages/victory/dist/victory.min.js	386.05KB	386.05KB	+0KB (+0.00%)
TOTAL			+0KB