Missing FriendsController injection in ProfileScreen

[mahmoudr80]

Description

Opening the Profile screen causes a runtime error:
Fixes # (issue)
Added controller registration in ProfileBinding

Type of change

Please delete options that are not relevant.

• [o] Bug fix (non-breaking CHANGE which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [o] Refactor (does not change functionality, e.g. code style improvements, linting)
• Documentation update

How Has This Been Tested?

Ran the app locally using:

flutter pub get
flutter run
Navigated to the Profile Screen
Verified that:
The screen loads without crashing
The error "FriendsController not found" no longer occurs
Tested on emulator/device

Please include screenshots below if applicable.

Checklist:

• [o] My code follows the style guidelines of this project
• [o] I have performed a self-review of my own code
• [o] I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• [o] My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• [o] Any dependent changes have been merged and published in downstream modules
• [o] I have checked my code and corrected any misspellings

Maintainer Checklist

• [o] closes Missing FriendsController injection in ProfileScreen #792
• [o] Tag the PR with the appropriate labels

[4555jan]

@mahmoudr80 the actual fix only requires changes to profile_binding.dart. Please remove all unrelated file changes