refactor: rename keyword mace_model_size to mace_model

[ape33]

This PR solves issue #278
Additionally, the functionality has been added to queue warnings for the .log output file before its creation. The queued warnings are then flushed to the file at the end of the setup.

[pq-perf-bot]

⚡ Performance (instruction count) — ✅ no regressions

per-benchmark breakdown

benchmark	base Ir	PR Ir	Δ
bondedForces	41.46M	41.46M	-0.00%	✅
boxTransforms	10.67M	10.67M	+0.00%	✅
constraints	11.38M	11.38M	-0.00%	✅
coulombKernel	5.80M	5.80M	+0.00%	✅
forceKernel	15.33M	15.33M	-0.00%	✅
integrator	32.17M	32.17M	+0.00%	✅
kinetics	9.53M	9.53M	+0.00%	✅
linearAlgebra	2.08M	2.08M	+0.00%	✅
nonCoulombPairs	5.48M	5.48M	-0.00%	✅
shiftVector	5.81M	5.81M	+0.00%	✅
virial	11.63M	11.63M	+0.00%	✅

_{Deterministic callgrind instruction counts vs the base branch; gated at ±2%. Not wall-clock.}

[codecov]

Codecov Report

❌ Patch coverage is 94.11765% with 4 lines in your changes missing coverage. Please review.
✅ Project coverage is 88.26%. Comparing base (56d4cb3) to head (e23af79).

Files with missing lines	Patch %	Lines
src/input/inputFileParser/QMInputParser.cpp	91.66%	2 Missing ⚠️
src/setup/qmSetup.cpp	81.81%	2 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##              dev     #284   +/-   ##
=======================================
  Coverage   88.26%   88.26%           
=======================================
  Files         284      284           
  Lines       10964    10983   +19     
  Branches     3416     3421    +5     
=======================================
+ Hits         9677     9694   +17     
- Misses       1247     1249    +2     
  Partials       40       40           

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