refactor: convert some Livechat files to TS

[MartinSchoeler]

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Latest commit: 3e39235

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 49.93%. Comparing base (3a3245a) to head (3e39235).
Report is 2174 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop   #30425      +/-   ##
===========================================
- Coverage    50.18%   49.93%   -0.26%     
===========================================
  Files          781      775       -6     
  Lines        14507    14484      -23     
  Branches      2621     2616       -5     
===========================================
- Hits          7281     7232      -49     
- Misses        6829     6842      +13     
- Partials       397      410      +13     

Flag	Coverage Δ
e2e	48.30% <ø> (-0.29%)	⬇️
unit	60.30% <ø> (ø)

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