[REPLAY] Add telemetry for shadow dom

[ThibautGeriz]

Motivation

[REPLAY] Add telemetry for shadow dom #1978

Changes

• add shadow dom content if FF is present (only to be activated on org2 for privacy concerned)

Testing

• Local
• Staging
• Unit
• End to end

---

I have gone over the contributing documentation.

[codecov-commenter]

Codecov Report

Merging #1978 (206c60a) into main (0b3c063) will increase coverage by 0.02%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##             main    #1978      +/-   ##
==========================================
+ Coverage   93.30%   93.32%   +0.02%     
==========================================
  Files         144      144              
  Lines        5479     5482       +3     
  Branches     1244     1247       +3     
==========================================
+ Hits         5112     5116       +4     
+ Misses        367      366       -1     

Impacted Files	Coverage Δ
...ges/rum/src/domain/record/shadowRootsController.ts	60.00% <0.00%> (-6.67%)	⬇️
...rum-core/src/domain/contexts/foregroundContexts.ts	96.92% <0.00%> (+6.15%)	⬆️

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[ThibautGeriz]

/merge

[ThibautGeriz]

/status

[temporal-github-worker-1]

🚂 MergeQueue Status

This merge request was enqueued 31m ago.

MergeQueue status for DataDog/browser-sdk branch main

There is currently no merge request being processed.

There is 1 merge request in the queue:

• #1978 with sha 206c60a

There is no merge request waiting

[ThibautGeriz]

/donotmerge

[temporal-github-worker-1]

⚠️ MergeQueue

This merge request was unqueued