ng-packagr overrides less.js math default behaviour in unexpected way

[Maistho]

Type of Issue

[x] Bug Report
[ ] Feature Request

Description

ng-packagr overrides the default less settings with math: 'always' which results in expressions being evaluated as math when they shouldn't be.

How To Reproduce

A less file with the following contents should not be changed when compiling with the default settings in less 4.x:

.test {
  grid-row: 1 / 2;
}

When compiling this for an application using the default settings in angular cli, this css is output verbatim. When compiling this for a library using the default settings, it is changed to the following:

.test {
  grid-row: 0.5;
}

Expected Behaviour

ng-packagr should not override the default settings in less as it does here: https://github.com/ng-packagr/ng-packagr/blob/7a8f7113027afc67694cb4849eb96d66caf69142/src/lib/styles/stylesheet-processor-worker.ts#L115C18-L115C18

Version Information

$ node_modules/.bin/ng-packagr --version
ng-packagr: 16.0.1
less: 4.1.3

[Maistho]

Thanks!

[github-actions]

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