🐛 [RUMF-1583][recorder] do not ignore empty text node during serialization

[BenoitZugmeyer]

Motivation

If we ignore empty text nodes during serialization, any 'characterData' mutation will be discarded because we wouldn't know about the corresponding serialized node.

Changes

Don't ignore empty text nodes

Testing

• Local
• Staging
• Unit
• End to end

---

I have gone over the contributing documentation.

[BenoitZugmeyer]

/to-staging

[dd-devflow]

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commit 382e3f8 will soon be integrated into staging-19.

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you can cancel this operation by commenting your pull request with /to-staging -c!

[dd-devflow]

🚂 Branch Integration

commit 382e3f8 has been merged into staging-19

[codecov-commenter]

Codecov Report

Merging #2237 (382e3f8) into main (437516f) will decrease coverage by 0.09%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main    #2237      +/-   ##
==========================================
- Coverage   94.09%   94.01%   -0.09%     
==========================================
  Files         201      201              
  Lines        6083     6083              
  Branches     1347     1347              
==========================================
- Hits         5724     5719       -5     
- Misses        359      364       +5     

Impacted Files	Coverage Δ
...m/src/domain/record/serialization/serializeNode.ts	100.00% <100.00%> (ø)

... and 2 files with indirect coverage changes

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[BenoitZugmeyer]

/to-staging

[dd-devflow]

🚂 Branch Integration

commit ffe804c will soon be integrated into staging-19.

This build is going to start soon! (estimated merge in less than 7m)

you can cancel this operation by commenting your pull request with /to-staging -c!

[dd-devflow]

🚂 Branch Integration

commit ffe804c has been merged into staging-19