DM-45722: CRITICAL logs on empty quantum graph

[kfindeisen]

This PR fixes a display bug introduced in #440, where the reformatted logs were being printed without line breaks at all.

Checklist

• ran Jenkins
• added a release note for user-visible changes to doc/changes

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 5 lines in your changes missing coverage. Please review.

Project coverage is 81.15%. Comparing base (c68239a) to head (43d65ed).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
.../pipe/base/all_dimensions_quantum_graph_builder.py	0.00%	5 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #441   +/-   ##
=======================================
  Coverage   81.15%   81.15%           
=======================================
  Files          96       96           
  Lines       10937    10937           
  Branches     2086     2086           
=======================================
  Hits         8876     8876           
  Misses       1703     1703           
  Partials      358      358           

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