🚀 Enhancement: Search functions

[DH-555]

🔖 Enhancement description

Add a search field in Functions like in Auth section.

🎤 Pitch

If you have multiple functions, it's easier searching the name or initial instead of clicking page 2 or 3.

👀 Have you spent some time to check if this issue has been raised before?

• [x] I checked and didn't find similar issue

🏢 Have you read the Code of Conduct?

• [x] I have read the Code of Conduct