[CMYK] Properties widget

[troopa81]

Add CMYK project properties configuration widgets.

When loading and ICC profile, QGIS force color model to keep consistency between color model and color space.

ICC profile widget part is not visible if QGIS is not built with Qt 6.8.0 or greater (That maybe require to be clearly advertise it t

he changelog)

Funded by Bordeaux Métropole

[github-actions]

🪟 Windows builds ready!

Windows builds of this PR are available for testing here. Debug symbols for this build are available here.

(Built from commit 48de201)

[nyalldawson]

Code looks good!

I have two thoughts:

1. I think the "style" tab is becoming a random mash of settings now. I think we should probably pull these new settings and the existing "Project Colors" list out into a new dedicated "Colors" tab.
2. Do you think we should add a button to export the current profile to a file on disk? If eg a user shares a project with someone else, they may want to easily extract this profile to use for another project or in another application.

[troopa81]

I have two thoughts:

Good points. Done. Screenshot has been updated

[qgis-bot]

@troopa81

This pull request has been tagged for the changelog.

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[qgis-bot]

@troopa81
This pull request has been tagged as requiring documentation.

A documentation ticket will be opened at https://github.com/qgis/QGIS-Documentation when this PR is merged.

Please update the description (not the comments) with helpful description and screenshot to help the work from documentors.
Also, any commit having [needs-doc] or [Needs Documentation] in will see its message pushed to the issue, so please be as verbose as you can.

Thank you!

[qgis-bot]

@troopa81
A documentation ticket has been opened at qgis/QGIS-Documentation#9289
It is your responsibility to visit this ticket and add as much detail as possible for the documentation team to correctly document this change.
Thank you!