post processing functions return Vector{Float64}

[m-bossart]

The post processing functions did not return Vector{Float64} when dt was passed. This makes the output the same regardless of dt being specified or not.

[github-actions]

Performance Results

Version	Precompile Time
Main	1.785499261
This Branch	1.78848536

Version	Execute Time
Main-Build ResidualModel	7.421300981
Main-Execute ResidualModel	16.030765402
Main-Build MassMatrixModel	0.654075383
Main-Execute MassMatrixModel	30.191749787
This Branch-Build ResidualModel	7.453312533
This Branch-Execute ResidualModel	16.109242247
This Branch-Build MassMatrixModel	0.654555026
This Branch-Execute MassMatrixModel	30.397058236

ResidualModel and MassMatrixModel performance results should be compared between versions and not between models due to the execution order of the tests

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 87.32%. Comparing base (3f9dede) to head (01c4cf0).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #368      +/-   ##
==========================================
+ Coverage   86.98%   87.32%   +0.34%     
==========================================
  Files          65       65              
  Lines        9052     9003      -49     
==========================================
- Hits         7874     7862      -12     
+ Misses       1178     1141      -37     

Flag	Coverage Δ
unittests	87.32% <100.00%> (+0.34%)	⬆️

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

Files	Coverage Δ
src/base/simulation_results.jl	68.34% <100.00%> (ø)

... and 8 files with indirect coverage changes

[jd-lara]

Don't double collect