fix(Permalink): prevent Permalink crash when a layer has no children attribute

[danji90]

How to

Others

• It's not a hack or at least an unauthorized hack :).
• The images added are optimized.
• Everything in ticket description has been fixed.
• The author of the MR has made its own review before assigning the reviewer.
• The title means something for a human being and follows the conventional commits specification.
• The title contains [WIP] if it's necessary.
• Labels applied. if it's a release? a hotfix?
• Tests added.

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Project	Deployment	Actions	Updated (UTC)
react-spatial	Ready	Preview, Comment	Feb 26, 2026 10:15am