Add localization for Approved color/Color Picker Data type

[DitteKKoustrup]

Reson for change

The data type for Approved color/Color Picker, wasn't translated when I changed my Backoffice language to Danish.
I translated the missing translations into Danish to match the rest of the Danish Backoffice.

Description

• Created a colorPickerConfigurations category to the code in the en.ts, en-us.ts, and da-dk.ts file
• Added a translation for the label title and description and the color title and description.
• Removed the hardcoded label in Umbraco.ColorPicker.ts and made it dynamic with the new colorPickerConfigurations category and key.

Image of change

[AndyButland]

Looks good (though just want to make sure we were using "proper" English😉).

[AndyButland]

What you've done here is working as expected, but for some reason I'm not seeing the UK English come through when I set my editor as using that language.

That's a wider issue though, not part of this PR, so approving and will merge in.