fix(link): Do not convert link href to number or boolean

[yurtsiv]

Changes Overview

Link href attribute doesn't have parseHTML provided, so TipTap uses a default implementation that converts strings to numbers/booleans. This leads to crashes in cases like:

editor.commands.setContent('<a href="123">...</a>')
editor.commands.setContent('<a href="true">...</a>')

// TypeError: uri.replace is not a function
//   at isAllowedUri

Render function assumes href is string | null.

Implementation Approach

Provide a custom parseHTML implementation.

Testing Done

Verification Steps

Additional Notes

Checklist

• I have created a changeset for this PR if necessary.
• My changes do not break the library.
• I have added tests where applicable.
• I have followed the project guidelines.
• I have fixed any lint issues.

Related Issues

#4929

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Latest commit: c00fa5c

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[nperez0111]

This looks good to me, thanks for your contribution