Fixed issue where VictoryChart would throw an unhandled exception whe…

[gwynethrose]

Fixed an issue (see #2391) where VictoryChart would throw an unhandled exception when passed null children.

Note that this does currently ignore any non-element children passed into VictoryChart, which matches our documentation. I didn't see any use cases where we'd actually want to show something like a string or a number, but we can go with a less broad check if needed.

[changeset-bot]

🦋 Changeset detected

Latest commit: 9218941

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

This PR includes changesets to release 30 packages

Name	Type
victory-chart	Patch
victory-core	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-create-container	Patch
victory-cursor-container	Patch
victory-errorbar	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
victory	Patch

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