Improve formatting of load balance method and ssl_certificate_key in configs

[j1m-ryan]

Proposed changes

Fixes #4951

nginx -T before

upstream vs_default_cafe_coffee {
    zone vs_default_cafe_coffee 512k;random two least_conn;
    server 10.244.0.4:8080 max_fails=1 fail_timeout=10s max_conns=0;
    server 10.244.0.5:8080 max_fails=1 fail_timeout=10s max_conns=0;

    
}

upstream vs_default_cafe_tea {
    zone vs_default_cafe_tea 512k;random two least_conn;
    server 10.244.0.6:8080 max_fails=1 fail_timeout=10s max_conns=0;

    
}


server {
    listen 80;
    listen [::]:80;


    server_name cafe.example.com;
    status_zone cafe.example.com;
    set $resource_type "virtualserver";
    set $resource_name "cafe";
    set $resource_namespace "default";
    listen 443 ssl;
    listen [::]:443 ssl;

    ssl_certificate $secret_dir_path/default-cafe-secret;
        ssl_certificate_key $secret_dir_path/default-cafe-secret;

nginx -T after

upstream vs_default_cafe_coffee {
    zone vs_default_cafe_coffee 512k;
    random two least_conn;
    server 10.244.0.4:8080 max_fails=1 fail_timeout=10s max_conns=0;
    server 10.244.0.5:8080 max_fails=1 fail_timeout=10s max_conns=0;

    
}

upstream vs_default_cafe_tea {
    zone vs_default_cafe_tea 512k;
    random two least_conn;
    server 10.244.0.6:8080 max_fails=1 fail_timeout=10s max_conns=0;

    
}


server {
    listen 80;
    listen [::]:80;


    server_name cafe.example.com;
    status_zone cafe.example.com;
    set $resource_type "virtualserver";
    set $resource_name "cafe";
    set $resource_namespace "default";
    listen 443 ssl;
    listen [::]:443 ssl;

    ssl_certificate $secret_dir_path/default-cafe-secret;
    ssl_certificate_key $secret_dir_path/default-cafe-secret;

Checklist

Before creating a PR, run through this checklist and mark each as complete.

• I have read the CONTRIBUTING doc
• I have added tests that prove my fix is effective or that my feature works
• I have checked that all unit tests pass after adding my changes
• I have updated necessary documentation
• I have rebased my branch onto main
• I will ensure my PR is targeting the main branch and pulling from my branch from my own fork

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[jjngx]

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