[projmgr] Update csolution usage: convert description

[grasci-arm]

Reported by @jlonnberg

[github-actions]

Test Results

    3 files     21 suites   14m 50s ⏱️
  450 tests   450 ✅ 0 💤 0 ❌
1 350 runs  1 350 ✅ 0 💤 0 ❌

Results for commit 32643c6.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 64.55%. Comparing base (07df227) to head (32643c6).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2384   +/-   ##
=======================================
  Coverage   64.55%   64.55%           
=======================================
  Files         145      145           
  Lines       26084    26084           
  Branches    15732    15732           
=======================================
  Hits        16838    16838           
  Misses       7086     7086           
  Partials     2160     2160           

Flag	Coverage Δ
projmgr-cov	87.45% <ø> (ø)

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Files with missing lines	Coverage Δ
tools/projmgr/src/ProjMgr.cpp	80.75% <ø> (ø)

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