Color selection for text modifier

[ZarTrox]

Bug description

Currently when highlighting text in the editor mode of the DevPortal only yellow is available as color.

In future it should be possible to select the color for the text modificators like "strike-through" and "underline", but most importantly "highlight".

In the end the editor should, for example, be able to highlight code references in sentences more clearly with color coding.

For example:
*Code with keywords*

• keyword1: explanation
• keyword2: explanation

Intended use: similar styling/color to signal the code references.
Right now only the basic modifications are possible.

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@AnRei123

@ZarTrox, thank you for opening this issue. We will triage it within the next few business days.

[AnRei123]

We would only need the color selection for the highlighting format.