[PWGLF] Fix invariant mass definition and bugs - #17819

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: thollander/actions-comment-pull-request@v3. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

To tolerate certain issues in a directory, add a line with the test name in "o2linter_config".