data-enhance-nav=false is ignored on <svg> elements

[SteveSandersonMS]

Inside NavigationEnhancement.ts, the logic that decides whether to bypass enhanced nav based on the element clicked looks like:

  if (event.target instanceof HTMLElement && !enhancedNavigationIsEnabledForElement(event.target)) {
    return;
  }

It should say Element instead of HTMLElement, because HTMLElement excludes SVGElement. There is no reason why SVG elements should behave differently from HTML elements in this regard.

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[surayya-MS]

Couldn't repro this bug because of #51705
When I fixed that one this one reproed

[SteveSandersonMS]

@surayya-MS I don't think this is the same as (or blocked by) #51705

The repro is a scenario like the following. Sorry I should have specified it in the original report.

<a href="something" data-enhance-nav="false">
    <svg width="100" height="100">
        <rect width="100" height="100" style="fill:rgb(0,0,255);" />
    </svg>
</a>

Expected: If you click on the SVG, it should do regular (non-enhanced) nav because of data-enhance-nav="false"
Actual: It will ignore data-enhance-nav="false" and do enhanced nav anyway

[surayya-MS]

This reproed. I'll add this test case