Accept sequences of values for setting MultiChannelInstrumentParameter

[thangleiter]

As of now, the MultiChannelInstrumentParameter is inconsistent; its setter does not accept the values returned by its getter as the first accepts a scalar ParamRawDataType, but the last returns a tuple thereof. This is particularly problematic as it breaks the set_to context manager.

This proposed change modifies the setter to allow both the current scalar behavior as well as a sequence, in which case it is zipped together with self._channels.

[thangleiter]

@microsoft-github-policy-service agree company="RWTH Aachen University"

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 67.65%. Comparing base (e606790) to head (65069d2).
Report is 170 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6073      +/-   ##
==========================================
+ Coverage   67.55%   67.65%   +0.10%     
==========================================
  Files         351      352       +1     
  Lines       30492    30765     +273     
==========================================
+ Hits        20598    20814     +216     
- Misses       9894     9951      +57     

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