Cleanup saturation parameter in the methods and constructors (backport #390)

[mergify]

This PR consists of changes to cleanup the saturation boolean of the PID toolbox

---

This is an automatic backport of pull request #390 done by Mergify.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 76.66667% with 35 lines in your changes missing coverage. Please review.

Project coverage is 74.81%. Comparing base (f0cf6f3) to head (250cb3e).

Files with missing lines	Patch %	Lines
control_toolbox/src/pid_ros.cpp	67.14%	22 Missing and 1 partial ⚠️
control_toolbox/src/pid.cpp	42.10%	9 Missing and 2 partials ⚠️
control_toolbox/include/control_toolbox/pid.hpp	85.71%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##            jazzy     #393      +/-   ##
==========================================
- Coverage   74.95%   74.81%   -0.14%     
==========================================
  Files          29       29              
  Lines        1749     1783      +34     
  Branches      101      105       +4     
==========================================
+ Hits         1311     1334      +23     
- Misses        380      388       +8     
- Partials       58       61       +3     

Flag	Coverage Δ
unittests	74.81% <76.66%> (-0.14%)	⬇️

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

Files with missing lines	Coverage Δ
...ontrol_toolbox/include/control_toolbox/pid_ros.hpp	100.00% <ø> (ø)
control_toolbox/test/pid_ros_parameters_tests.cpp	100.00% <100.00%> (ø)
control_toolbox/test/pid_ros_publisher_tests.cpp	95.00% <ø> (ø)
control_toolbox/test/pid_tests.cpp	100.00% <100.00%> (ø)
control_toolbox/include/control_toolbox/pid.hpp	78.26% <85.71%> (-4.10%)	⬇️
control_toolbox/src/pid.cpp	63.52% <42.10%> (-2.55%)	⬇️
control_toolbox/src/pid_ros.cpp	60.00% <67.14%> (+0.83%)	⬆️

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.