[Bug] Variable First-Party Cookie is not decoding the value

[pulphix]

What happened?

1. Create a Variable based on First-Party Cookie
2. Set option URI Decode-Cookie
3. Save Configuration

Actual Behavior: The content are not decoded

What should happen?

Expected Behavior: The content on the cookie will be saved as Decoded values

How can this be reproduced?

1. Create a Variable based on First-Party Cookie
2. Set option URI Decode-Cookie
3. Save Configuration
4. Go to the page with debug mode Enabled.
5. Check cookie is saved on Browser
6. Check Value Variable on the Debug Console
7. The value should be decoded

Matomo version

Cloud Version

PHP version

No response

Server operating system

No response

What browsers are you seeing the problem on?

No response

Computer operating system

No response

Relevant log output

No response

Validations

• [X] Read our Contributing Guidelines.
• [X] Follow our Security Policy.
• [X] Check that there isn't already an issue that reports the same bug to avoid creating duplicates.
• [X] The provided steps to reproduce is a minimal reproducible of the Bug.