fix: allow dynamically import atmosphere.js for SW context

[krissvaa]

Fixes #2867

[codecov]

Codecov Report

Attention: Patch coverage is 60.00000% with 2 lines in your changes missing coverage. Please review.

Project coverage is 78.88%. Comparing base (84f99a2) to head (c8609ae).

Files with missing lines	Patch %	Lines
packages/ts/frontend/src/FluxConnection.ts	60.00%	2 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #2901       +/-   ##
===========================================
- Coverage   92.79%   78.88%   -13.91%     
===========================================
  Files          84       83        -1     
  Lines        3149     3083       -66     
  Branches      759      743       -16     
===========================================
- Hits         2922     2432      -490     
- Misses        175      615      +440     
+ Partials       52       36       -16     

Flag	Coverage Δ
unittests	78.88% <60.00%> (-13.91%)	⬇️

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[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud