Display Commit ID Used for Build in AboutDialog

[ElectricalBoy]

This PR adds the commit ID used for build in the AboutDialog. This should be especially useful when determining on what (nightly) build an issue is occurring.

Resolves #5935

[ElectricalBoy]

-:  --------- > 1:  4ca0b2400 CI: Avoid Linux Asset Name Collision (#5976)
1:  65a3ab748 = 2:  2581038f4 Display commit ID used for build in AboutDialog

[SoftFever]

While I like the idea, I can't stand the text appears there -_-! Maybe show it only for nightly build?

[ElectricalBoy]

While I like the idea, I can't stand the text appears there -_-! Maybe show it only for nightly build?

Is there a separate flag that only nightly builds have enabled? Or is it just the layout of things that you are not comfortable with?

[buzzhuzz]

I too like revision ID for nightly builds only.

Also, as nightly builds are intended for testing and bug reports, I'd add revision hash as overlay right onto corner of 3D scene view like this (bottom right corner):

[SoftFever]

While I like the idea, I can't stand the text appears there -_-! Maybe show it only for nightly build?

Is there a separate flag that only nightly builds have enabled? Or is it just the layout of things that you are not comfortable with?

One solution is to use CMake option and preprocess flag, ref to: https://stackoverflow.com/a/10364240 Then in the CI/CD, enable this option if it's a nightly build

[SoftFever]

@ElectricalBoy I'm closing it for now. Feel free to re-open it whenever you feel ready