inner vars indexing bug

[m-bossart]

When creating the range for inner vars for dynamic injectors, the ranges for distinct devices are overlapped by one. The tests still pass because in practice the first/last inner var for certain devices could be unused.

[github-actions]

Performance Results

Version	Precompile Time
Main	1.830861056
This Branch	1.813680774

Version	Run Time
Main-Build ResidualModel	7.6167594
Main-Execute ResidualModel	16.968434252
Main-Build MassMatrixModel	0.630960818
Main-Execute MassMatrixModel	30.778520708
This Branch-Build ResidualModel	7.573532119
This Branch-Execute ResidualModel	16.499326563
This Branch-Build MassMatrixModel	0.713582085
This Branch-Execute MassMatrixModel	30.890439285

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 87.30%. Comparing base (3f9dede) to head (53c4c3d).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #371      +/-   ##
==========================================
+ Coverage   87.18%   87.30%   +0.11%     
==========================================
  Files          65       65              
  Lines        9069     9003      -66     
==========================================
- Hits         7907     7860      -47     
+ Misses       1162     1143      -19     

Flag	Coverage Δ
unittests	87.30% <ø> (+0.11%)	⬆️

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

Files	Coverage Δ
src/base/simulation_inputs.jl	92.85% <ø> (ø)

... and 11 files with indirect coverage changes