Fix multiple issues

[rodrigomha]

Closes #1100
Closes #1103
Closes #1134
Closes #1135

[codecov]

Codecov Report

Attention: Patch coverage is 53.33333% with 14 lines in your changes missing coverage. Please review.

Project coverage is 77.52%. Comparing base (5662db1) to head (bd8b958).
Report is 9 commits behind head on jd/fixes_area_balancing_models.

Files with missing lines	Patch %	Lines
...ices/common/objective_function/piecewise_linear.jl	0.00%	14 Missing ⚠️

Additional details and impacted files

@@                        Coverage Diff                         @@
##           jd/fixes_area_balancing_models    #1136      +/-   ##
==================================================================
+ Coverage                           77.35%   77.52%   +0.16%     
==================================================================
  Files                                 118      118              
  Lines                               12707    12696      -11     
==================================================================
+ Hits                                 9830     9842      +12     
+ Misses                               2877     2854      -23     

Flag	Coverage Δ
unittests	77.52% <53.33%> (+0.16%)	⬆️

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

Files with missing lines	Coverage Δ
...vice_constructors/thermalgeneration_constructor.jl	98.30% <ø> (-0.01%)	⬇️
src/devices_models/devices/electric_loads.jl	95.45% <100.00%> (ø)
src/services_models/services_constructor.jl	97.60% <100.00%> (+13.90%)	⬆️
...ices/common/objective_function/piecewise_linear.jl	82.90% <0.00%> (-3.59%)	⬇️

... and 1 file with indirect coverage changes

[github-actions]

Performance Results

Version	Precompile Time
Main	3.186365683
This Branch	3.193631781

Version	Build Time
Main-Build Time Precompile	49.854473789
Main-Build Time Postcompile	1.131573575
This Branch-Build Time Precompile	50.012686593
This Branch-Build Time Postcompile	1.203356818

Version	Solve Time
Main-Solve Time Precompile	1649.840135461
Main-Solve Time Postcompile	1631.782414948
This Branch-Solve Time Precompile	518.824606283
This Branch-Solve Time Postcompile	489.459281002