fix: Fixes cartesian tooltip placement in Firefox

[pan-kot]

Description

The Firefox computes SVG position incorrectly if its size is zero. As result, the cartesian group tooltip was placed incorrectly.

Before:

After:

Similar PR: cloudscape-design/components#3876

Rel: AWSUI-61399

How has this been tested?

• Tested manually with Firefox
• Verified there is no unexpected diff in visual tests

Review checklist

The following items are to be evaluated by the author(s) and the reviewer(s).

Correctness

• Changes include appropriate documentation updates.
• Changes are backward-compatible if not indicated, see CONTRIBUTING.md.
• Changes do not include unsupported browser features, see CONTRIBUTING.md.
• Changes were manually tested for accessibility, see accessibility guidelines.

Security

• If the code handles URLs: all URLs are validated through the checkSafeUrl function.

Testing

• Changes are covered with new/existing unit tests?
• Changes are covered with new/existing integration tests?

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