fix(sunburst): Fix sunburst chart cross-filter logic

[gerbermichi]

SUMMARY

This PR resolves an issue where the Sunburst chart's cross-filtering did not work properly for hierarchies with more than two levels. Previously, only the first and last hierarchies allowed cross-filtering, whereas any interactions with the middle hierarchies let to an error.

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

TESTING INSTRUCTIONS

Create a sunburst chart with more than two hierarchies.

ADDITIONAL INFORMATION

• Has associated issue:
• Required feature flags:
• Changes UI
• Includes DB Migration (follow approval process in SIP-59)
  • Migration is atomic, supports rollback & is backwards-compatible
  • Confirm DB migration upgrade and downgrade tested
  • Runtime estimates and downtime expectations provided
• Introduces new feature or API
• Removes existing feature or API

[rusackas]

Thanks again for all the sunburst attention! Pinging a couple of subject matter experts :D