fix: issue with data-marko attributes under 'no-update' with <await>

[DylanPiercey]

Description

There was a regression from #1480 which would cause no-update body to loose track of if it was preserved when it was wrapped in an async writer (<await>).

Checklist:

• I have read the CONTRIBUTING document and have signed (or will sign) the CLA.
• I have updated/added documentation affected by my changes.
• I have added tests to cover my changes.

[codecov]

Codecov Report

Merging #1564 into master will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master    #1564   +/-   ##
=======================================
  Coverage   90.54%   90.54%           
=======================================
  Files         355      355           
  Lines       12769    12769           
=======================================
  Hits        11562    11562           
  Misses       1207     1207           

Impacted Files	Coverage Δ
packages/marko/src/runtime/html/AsyncStream.js	89.41% <ø> (ø)
...arko/src/compiler/ast/HtmlElement/html/StartTag.js	98.14% <100.00%> (ø)
...kages/marko/src/runtime/html/helpers/data-marko.js	100.00% <100.00%> (ø)

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