WIP: try work around quad gap issues

[sk1p]

Contributor Checklist:

• [ ] I have added or updated my entry in the creators.json file
• [ ] I have added a changelog entry for my contribution
• [ ] I have added/updated documentation for all user-facing changes
• [ ] I have added/updated test cases

Reviewer Checklist:

• [ ] /azp run libertem.libertem-live-data passed

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 71.22%. Comparing base (466a1fe) to head (13df969). Report is 48 commits behind head on master.

:exclamation: There is a different number of reports uploaded between BASE (466a1fe) and HEAD (13df969). Click for more details.

HEAD has 9 uploads less than BASE

| Flag | BASE (466a1fe) | HEAD (13df969) | |------|------|------| ||22|13|

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #153 +/- ## ========================================== - Coverage 79.84% 71.22% -8.63% ========================================== Files 35 35 Lines 3458 3461 +3 Branches 576 577 +1 ========================================== - Hits 2761 2465 -296 - Misses 560 841 +281 - Partials 137 155 +18 ```

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