[IMPROVE] User data download overhaul

[tassoevan]

Proposed changes (including videos or screenshots)

It migrates modules to TypeScript, as well adapts the code to the current version of Node.

Issue(s)

Steps to test or reproduce

Further comments

[codecov]

Codecov Report

Merging #26358 (4de5ce5) into develop (ccb8269) will decrease coverage by 2.00%.
The diff coverage is n/a.

❗ Current head 4de5ce5 differs from pull request most recent head 1cf5a2b. Consider uploading reports for the commit 1cf5a2b to get more accurate results

@@             Coverage Diff             @@
##           develop   #26358      +/-   ##
===========================================
- Coverage    41.09%   39.09%   -2.01%     
===========================================
  Files          840      749      -91     
  Lines        18365    18653     +288     
  Branches      2106     1425     -681     
===========================================
- Hits          7548     7293     -255     
- Misses       10526    11136     +610     
+ Partials       291      224      -67     

Flag	Coverage Δ
e2e	39.09% <ø> (-2.01%)	⬇️

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