Mixed Content issue. Https about flox HOT 4 CLOSED

<?php

namespace App\Providers;

use Illuminate\Support\ServiceProvider;
use Illuminate\Support\Facades\URL;

class AppServiceProvider extends ServiceProvider
{
    /**
     * Bootstrap any application services.
     *
     * @return void
     */
    public function boot()
    {
      $this->app['request']->server->set('HTTPS', true);
      URL::forceScheme('https');
    }

    /**
     * Register any application services.
     *
     * @return void
     */
    public function register()
    {
        if (env('APP_ENV') === 'production') {
           $this->app['request']->server->set('HTTPS', true);
        }
    }
}

<IfModule mod_rewrite.c>
    <IfModule mod_negotiation.c>
        Options -MultiViews
    </IfModule>

    RewriteEngine On
    #ForceSSL
    RewriteCond %{HTTPS} !=on
    RewriteCond %{HTTP:X-Forwarded-Proto} .
    RewriteCond %{HTTP:X-Forwarded-Proto} !https
    RewriteRule ^ https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]

    # Redirect Trailing Slashes If Not A Folder...
    RewriteCond %{REQUEST_FILENAME} !-d
    RewriteRule ^(.*)/$ /$1 [L,R=301]

    # Handle Front Controller...
    RewriteCond %{REQUEST_FILENAME} !-d
    RewriteCond %{REQUEST_FILENAME} !-f
    RewriteRule ^ index.php [L]

    # Handle Authorization Header
    RewriteCond %{HTTP:Authorization} .
    RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}]
</IfModule>