2577: Add warning color

[simomps]

Short description

Add warningColor to project

Proposed changes

• Add variable warningColor (#FFA726)
• Use warningColor in Feedback warning message instead of themeColor (#FBDA16)

Side effects

None.

Testing

Check that all settings still work.

Resolved issues

Fixes: #2577

[codeclimate]

Code Climate has analyzed commit 6c54b13 and detected 0 issues on this pull request.

The test coverage on the diff in this pull request is 100.0% (50% is the threshold).

This pull request will bring the total coverage in the repository to 74.2%.

View more on Code Climate.

[steffenkleinle]

🚀 Perfect! Now we just need more warnings to display 😄 Tested on firefox.

I found one more place where this color should be used (native):

integreat-app/native/src/components/Note.tsx

Line 8 in 52e7d66

background-color: ${props => props.theme.colors.themeColor};