🐛 [RUMF-1476] Fix removednodes.foreach is not a function

[amortemousque]

Motivation

Old browsers do not implement NodeList.prototype.forEach(). Add a check to isBrowserSupported

Changes

Add NodeList.prototype.forEach check to isBrowserSupported

Testing

• Local
• Staging
• Unit
• End to end

---

I have gone over the contributing documentation.

[codecov-commenter]

Codecov Report

Merging #1984 (e18cf46) into main (1ab2229) will decrease coverage by 0.13%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main    #1984      +/-   ##
==========================================
- Coverage   93.38%   93.25%   -0.13%     
==========================================
  Files         144      144              
  Lines        5484     5484              
  Branches     1245     1245              
==========================================
- Hits         5121     5114       -7     
- Misses        363      370       +7     

Impacted Files	Coverage Δ
packages/rum/src/boot/recorderApi.ts	96.15% <100.00%> (ø)
packages/rum/src/domain/record/mutationObserver.ts	96.50% <100.00%> (ø)
packages/rum/src/domain/record/serialize.ts	96.29% <100.00%> (ø)
packages/rum/src/domain/record/utils.ts	90.00% <0.00%> (-10.00%)	⬇️
...rum-core/src/domain/contexts/foregroundContexts.ts	90.76% <0.00%> (-6.16%)	⬇️
packages/core/src/tools/timeUtils.ts	97.43% <0.00%> (-2.57%)	⬇️

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