Allow passing CustomIcon to Symbol in VictoryLegend and VictoryScatter

[acharyakavita]

Description

Fixes # (issue): #2892
This is a new feature to add custom icons into symbol of VictoryScatter and VictoryLegend.

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 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

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
victory	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Sep 17, 2024 3:12pm

[changeset-bot]

🦋 Changeset detected

Latest commit: 868b44c

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

This PR includes changesets to release 32 packages

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

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