chore: remove client references to the service configurations collection

[pierre-lehnen-rc]

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I'm splitting #31385 into multiple smaller PRs. This one:

• Removes references to the ServiceConfiguration collection on the client
• Adds a loginServices which loads the login services from the server and makes it available to the whole web client
• Replaces OAuth code from the meteor framework with custom implementations that use the loginServices object instead of the ServiceConfiguration collection.

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[codecov]

Codecov Report

Attention: 95 lines in your changes are missing coverage. Please review.

Comparison is base (7c6198f) 49.56% compared to head (db096a9) 59.76%.
Report is 2 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff              @@
##           develop   #31515       +/-   ##
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+ Coverage    49.56%   59.76%   +10.19%     
============================================
  Files         3317     1798     -1519     
  Lines        81505    35060    -46445     
  Branches     16736     7301     -9435     
============================================
- Hits         40402    20954    -19448     
+ Misses       36403    12497    -23906     
+ Partials      4700     1609     -3091     

Flag	Coverage Δ
e2e	53.10% <32.62%> (-0.12%)	⬇️
e2e-api	?
unit	76.50% <ø> (ø)

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