[stable24] do not generate link if no front-end

[backportbot-nextcloud]

backport of #1048

[codecov-commenter]

Codecov Report

❗ No coverage uploaded for pull request base (stable24@30422c7). Click here to learn what that means.
The diff coverage is n/a.

❗ Current head 75ae69a differs from pull request most recent head d8f4258. Consider uploading reports for the commit d8f4258 to get more accurate results

@@            Coverage Diff             @@
##             stable24   #1060   +/-   ##
==========================================
  Coverage            ?   0.69%           
  Complexity          ?    5743           
==========================================
  Files               ?     291           
  Lines               ?   19865           
  Branches            ?       0           
==========================================
  Hits                ?     139           
  Misses              ?   19726           
  Partials            ?       0           

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[blizzz]

moving to 24.0.4…