[4.x] Improve tenants:run command to execute Input\Output commands (#923)

* run command useable for questions asking commands

* move console classes to Console directory

* fix styling

* Update src/Commands/Run.php

Co-authored-by: Samuel Štancl <samuel@archte.ch>

* remove tenant migration line

* assert command executed in tenant context

* improve test

* cleanup code

* Update CommandsTest.php

* remove irrelevant assertions

Co-authored-by: Samuel Štancl <samuel@archte.ch>

tests/Etc/AddUserCommand.php

@@ -1,38 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Stancl\Tenancy\Tests\Etc;
-
-use Illuminate\Console\Command;
-use Illuminate\Support\Str;
-use Stancl\Tenancy\Concerns\HasATenantsOption;
-use Stancl\Tenancy\Concerns\TenantAwareCommand;
-
-class AddUserCommand extends Command
-{
-    use TenantAwareCommand, HasATenantsOption;
-
-    /**
-     * The name and signature of the console command.
-     *
-     * @var string
-     */
-    protected $signature = 'user:add';
-
-    /**
-     * Execute the console command.
-     *
-     * @return mixed
-     */
-    public function handle()
-    {
-        User::create([
-            'name' => Str::random(10),
-            'email' => Str::random(10) . '@gmail.com',
-            'email_verified_at' => now(),
-            'password' => '$2y$10$92IXUNpkjO0rOQ5byMi.Ye4oKoEa3Ro9llC/.og/at2.uheWG/igi', // password
-            'remember_token' => Str::random(10),
-        ]);
-    }
-}