refactor: enable strict-boolean-expressions globally

[JKRhb]

Depends on #1126, resolves #1046.

[codecov]

Codecov Report

Attention: 57 lines in your changes are missing coverage. Please review.

Comparison is base (c14d4dd) 77.17% compared to head (c8b5925) 77.15%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1127      +/-   ##
==========================================
- Coverage   77.17%   77.15%   -0.03%     
==========================================
  Files          80       80              
  Lines       16245    16246       +1     
  Branches     1531     1535       +4     
==========================================
- Hits        12537    12534       -3     
- Misses       3685     3689       +4     
  Partials       23       23              

Files	Coverage Δ
packages/binding-netconf/src/netconf.ts	95.12% <100.00%> (+0.25%)	⬆️
packages/binding-opcua/src/factory.ts	100.00% <100.00%> (ø)
packages/binding-file/src/file-client.ts	27.95% <0.00%> (ø)
packages/binding-mbus/src/mbus-client.ts	82.31% <0.00%> (ø)
packages/binding-mbus/src/mbus-connection.ts	70.46% <87.50%> (-0.09%)	⬇️
packages/binding-netconf/src/netconf-client.ts	78.08% <75.00%> (+1.42%)	⬆️
packages/binding-netconf/src/xpath2json.ts	60.92% <66.66%> (-2.14%)	⬇️
packages/binding-modbus/src/modbus-client.ts	86.85% <86.66%> (+0.08%)	⬆️
packages/binding-netconf/src/async-node-netconf.ts	54.43% <20.00%> (-0.33%)	⬇️
packages/binding-mqtt/src/mqtt-broker-server.ts	74.13% <60.00%> (-0.65%)	⬇️
... and 4 more

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[danielpeintner]

That's a great clean-up! 🎉

[JKRhb]

(Performed a rebase against master which removed the commit from #1126 from the diff).

[JKRhb]

Applied a last tiny improvement in 10f9498 – hopefully, this one is now good to go :)

[relu91]

good to go 🥳