#6141 Fix isServiceWorker check

[sosnovsky]

This PR fixes isServiceWorker check, to make it work correctly in the upcoming Chrome 144 release

close #6141

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Tests (delete all except exactly one):

• Does not need tests (refactor only, docs or internal changes)

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To be filled by reviewers

I have reviewed that this PR... (tick whichever items you personally focused on during this review):

• addresses the issue it closes (if any)
• code is readable and understandable
• is accompanied with tests, or tests are not needed
• is free of vulnerabilities
• is documented clearly and usefully, or doesn't need documentation

[sosnovsky]

Hi @ioanatflowcrypt, @martgil, can you please approve this PR as it fixes issue which breaks FlowCrypt extension in Chrome 144 (it's public release is scheduled on the next week, so we should release update on this week):

[ioanatflowcrypt]

Hmmm... Checked PR but still same in my side.
Could you check again?

[sosnovsky]

@ioanatflowcrypt thanks for checking! looks like I initially tested with removed Firefox-specific code. I pushed fix which removes this Firefox check, as updated code works well in Firefox too. please re-check on your side

[ioanatflowcrypt]

Works great. Thank you👍