Fix Connectivity and Stability Issues in iOS VPN App V2ray Implementation

[codewithtamim]

PR type

What kind of change does this PR introduce?

• Bugfix
• Feature
• Code style update
• Refactoring (no functional changes, no api changes)
• Build related changes
• Documentation content changes
• Other... Please describe:

PR checklist

Please check if your PR fulfills the following requirements:

• I have read the CONTRIBUTING.md doc
• The Git workflow follows our guidelines: CONTRIBUTING.md#git
• The commit message follows our guidelines: CONTRIBUTING.md#commit
• Lint and unit tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation (if appropriate)

What is the current behavior?

1. V2Ray doesn’t work on mobile/cellular networks
2. VPN must be manually reconnected when switching Wi-Fi networks
3. Multi-hop not working
4. Problems when changing servers while VPN is connected
5. Problems when switching between QUIC/TCP while VPN is connected
6. No internet traffic when connected with V2Ray VMESS/TCP and Network Protection is enabled
7. WireGuard connection drops when "Keep Alive on Sleep" is disabled

Issue number: #474

What is the new behavior?

Everything works.

Does this PR introduce a breaking change?

• Yes
• No

Other information

[jurajhilje]

@codewithtamim Thanks for the new commits.

@gorkapernas New build is available in TestFlight.