Fixes for saving a new system

resources/views/user/system/register.blade.php

@@ -4,6 +4,10 @@
 	Register System
 @endsection
 
+@php
+use App\Models\{Setup,System};
+@endphp
+
 @section('content')
 	<form class="needs-validation" method="post" autocomplete="off" novalidate>
 		@csrf
@@ -22,8 +26,9 @@
 									<span class="input-group-text"><i class="bi bi-laptop-fill"></i></span>
 									<select style="width: 80%;" class="form-select @error('system_id') is-invalid @enderror" id="system" name="id" required>
 										<option value="">&nbsp;</option>
-										@foreach (\App\Models\System::select(['systems.id','systems.name'])
+										@foreach (System::select(['systems.id','systems.name'])
 											->active()
+											->where('id','<>',Setup::findOrFail(config('app.id'))->system_id)
 											->whereRaw('id NOT IN (SELECT system_id FROM system_user)')
 											->cursor() as $oo)
 											<option value="{{ $oo->id }}" @if(old('id')===$oo->id)selected @endif>{{ $oo->name }}</option>