fix(core): scroll-spy for non-contiguous regions #10621

Job	Run time
Lint files	37s
Unit Tests (Web Test Runner)	1m 4s
Compile project (24)	54s
Compile project (22)	56s
SSR Tests (Playwright)	1m 22s
Verify that build runs on Windows	1m 38s
Validate successful build on main	3s
Publish Playwright Report	44s
	7m 18s

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