[projmgr] Allow redefining load mode and load-offset of output images (#1374)

[grasci-arm]

Address #2302

[github-actions]

Test Results

    3 files     21 suites   13m 24s ⏱️
  435 tests   435 ✅ 0 💤 0 ❌
1 305 runs  1 305 ✅ 0 💤 0 ❌

Results for commit 35d5ab5.

[codecov]

Codecov Report

❌ Patch coverage is 75.00000% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 66.37%. Comparing base (93ce883) to head (35d5ab5).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
tools/projmgr/src/ProjMgrRunDebug.cpp	75.00%	0 Missing and 3 partials ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2311   +/-   ##
=======================================
  Coverage   66.37%   66.37%           
=======================================
  Files         181      181           
  Lines       36658    36666    +8     
  Branches    22797    22802    +5     
=======================================
+ Hits        24331    24337    +6     
  Misses       7628     7628           
- Partials     4699     4701    +2     

Flag	Coverage Δ
projmgr-cov	80.31% <75.00%> (-0.01%)	⬇️

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Files with missing lines	Coverage Δ
tools/projmgr/src/ProjMgrRunDebug.cpp	85.55% <75.00%> (-0.20%)	⬇️

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