fix: fix for redirect loop in case of user w/o roles

[jstucke]

removes role requirements from root / (home) endpoint to fix redirect loop for users without roles when authentication is enabled. The user still needs to log in to view the page, though.

resolves #1353

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.65%. Comparing base (c3f2ecc) to head (086281f).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1354      +/-   ##
==========================================
- Coverage   92.55%   91.65%   -0.91%     
==========================================
  Files         385      374      -11     
  Lines       24865    21031    -3834     
==========================================
- Hits        23013    19275    -3738     
+ Misses       1852     1756      -96     

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