Random guid in xy-container clippath causes inconsistencies for DOM snapshot tests

[bheftel]

Seen in the StackedBar component, which gets a clippath id from XYComponentCore

https://github.com/f5/unovis/blob/main/packages/ts/src/containers/xy-container/index.ts#L51

I was adding DOM snapshot tests for a react page using StackedBar with react-testing-library snapshots and vitest, but a clippath id was different on every test run, so it would fail the snapshot comparison.

As a workaround you can mock crypto.getRandomValues that is used in the guid util function (https://github.com/f5/unovis/blob/main/packages/ts/src/utils/misc.ts#L6), but it would be good for snapshot testing to work out of the box and I don't know that these ids need to be random guids.

[rokotyan]

Thanks for the feedback @bheftel, we're open to contributions!