[projmgr] Fix telnet port numbering

[grasci-arm]

Reported by @RobertRostohar: user specified telnet port numbers for non-start-pnames were not being respected.

[github-actions]

Test Results

    3 files     21 suites   13m 57s ⏱️
  435 tests   435 ✅ 0 💤 0 ❌
1 305 runs  1 305 ✅ 0 💤 0 ❌

Results for commit bab65b3.

[codecov]

Codecov Report

❌ Patch coverage is 88.23529% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 66.37%. Comparing base (4b1fa0e) to head (bab65b3).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
tools/projmgr/test/src/ProjMgrUnitTests.cpp	71.42%	0 Missing and 2 partials ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2312   +/-   ##
=======================================
  Coverage   66.37%   66.37%           
=======================================
  Files         181      181           
  Lines       36666    36674    +8     
  Branches    22802    22807    +5     
=======================================
+ Hits        24337    24344    +7     
  Misses       7628     7628           
- Partials     4701     4702    +1     

Flag	Coverage Δ
projmgr-cov	80.31% <88.23%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
tools/projmgr/include/ProjMgrRunDebug.h	100.00% <ø> (ø)
tools/projmgr/src/ProjMgrRunDebug.cpp	85.81% <100.00%> (+0.26%)	⬆️
tools/projmgr/test/src/ProjMgrUnitTests.cpp	79.06% <71.42%> (-0.02%)	⬇️

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