313|UI: Changed waiting review color to orange.

Description of change

• waiting review status changed from grey to orange. Also harmonized the other colors.

Closes #313 (closed)

How to test it

Checklist

Please check if your MR fulfills the following requirements:

• Unit tests have been added, if needed
• Documentation have been updated, if needed
• Build was run locally and any changes were pushed
• Lint has passed locally without error
• Package.py have been updated, if needed
• CHANGELOG.md have been updated, if needed

FYI: @awesome_dev_too