ro_amplitude as a parameter for tof

[Jacfomg]

Forgot I also added the ro_amplitude as a parameter

Checklist:

• Reviewers confirm new code works as expected.
• Tests are passing.
• Coverage does not decrease.
• Documentation is updated.

[codecov]

Codecov Report

Merging #418 (1aa5678) into main (ae6d2ce) will increase coverage by 0.00%.
The diff coverage is 100.00%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #418   +/-   ##
=======================================
  Coverage   96.73%   96.73%           
=======================================
  Files          48       48           
  Lines        3089     3093    +4     
=======================================
+ Hits         2988     2992    +4     
  Misses        101      101           

Flag	Coverage Δ
unittests	96.73% <100.00%> (+<0.01%)	⬆️

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

Impacted Files	Coverage Δ
...ation/signal_experiments/time_of_flight_readout.py	100.00% <100.00%> (ø)