Update AppProxy Configuration in TUI Installer

## Motivation

- AppProxy coordinator and worker settings need adjustment for proper network connectivity
- Current configuration cause connectivity issues in certain network environment

## Required Features

- **Bind Port Configuration**: Set `proxy_coordinator.bind_addr.port` from `service.appproxy_coordinator_addr.bind.port`
- **Advertised Address Update**: Set `proxy_coordinator.advertised_addr.host` to `public_facing_address` for external connectivity

## Impact

- Correctly advertises public-facing address for external client connections

JIRA Issue: BA-3583