Feature/colorize disabled parking site

[NinaEilers]

🖊️ Description

💡 What? Why? How?
A parking site for disabled persons better is blue, than green. That is because many cafe or grocery information is there and hiding that site for the same color. Also, the P signs are blue.

📎 Related Ticket

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https://app.asana.com/1/1200321573365931/project/1213356985075012/task/1213591724951423?focus=true

⚠️ Creation checklist

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💪 I have tested my code

• A new E2e playwright test covers this feature / A new test that reproduces the bug passes now.
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• The feature fits the design.

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