8384065: Improve wrapping of link labels in the table of contents

[hns]

Please review a change to improve wrapping of long labels in tables of contents generated by JavaDoc. A description of changes and before-after screenshots are available in the JBS issue.

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Progress

• Change must be properly reviewed (1 review required, with at least 1 Reviewer)
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• Commit message must refer to an issue

Issue

• JDK-8384065: Improve wrapping of link labels in the table of contents (Enhancement - P4)

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[bridgekeeper]

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[openjdk]

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[mlbridge]

Webrevs

• 01: Full - Incremental (54f7170b)
• 00: Full (b05db8b7)