Verify links and anchors for deeply nested urls

What does this MR do?

Contributes to #328203 (closed)

Problem

NodePattern#match returns only the first matching subnode and ignores other matches

Solution

Apply NodePattern#match to all node descendants

Screenshots (strongly suggested)

Does this MR meet the acceptance criteria?

Conformity

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Availability and Testing

• Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process.
• Tested in all supported browsers
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Security

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