QM driver fixes

[stavros11]

Fixing various things, mainly sweeper related, found while testing with #1039. I open a separate PR because I don't think the tests will be merged for 0.2.0, but it would still be good to have the fixes.

I will probably be doing a bit more testing, so I will update this is I find something new.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 14 lines in your changes missing coverage. Please review.

Project coverage is 52.22%. Comparing base (dff7479) to head (7ff8ced).
Report is 21 commits behind head on 0.2.

Files with missing lines	Patch %	Lines
src/qibolab/_core/instruments/qm/controller.py	0.00%	7 Missing ⚠️
...bolab/_core/instruments/qm/program/instructions.py	0.00%	7 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##              0.2    #1046      +/-   ##
==========================================
- Coverage   52.34%   52.22%   -0.12%     
==========================================
  Files          63       63              
  Lines        2820     2826       +6     
==========================================
  Hits         1476     1476              
- Misses       1344     1350       +6     

Flag	Coverage Δ
unittests	52.22% <0.00%> (-0.12%)	⬇️

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[alecandido]

Is this actually ready for review?

[stavros11]

Is this actually ready for review?

I am not planning to make any changes, but I am still adding some tests in #1039, so if more fixes are needed I will cherry-pick them here. The idea is to test as much as possible before 0.2 is released, but not block the release for the tests. So if you wish we could probably leave this open until we are ready to release, to collect all the fixes found until then.

[alecandido]

I didn't test it on hardware myself, but I'm fine with the changes in here.

[stavros11]

Thanks @alecandido. I will now merge everything to 0.2 and do a final test on hardware.