Update on security, user to edit their own system

resources/views/system/home.blade.php

@@ -42,7 +42,7 @@
 					<tbody>
 					@foreach (\App\Models\System::active()->with(['addresses.zone.domain'])->get() as $oo)
 						<tr>
-							<td><a href="{{ url('system/addedit',[$oo->id]) }}" @cannot('update',$oo)class="disabled" @endcannot>{{ $oo->id }}</a></td>
+							<td><a href="{{ url('system/addedit',[$oo->id]) }}" @cannot('update_nn',$oo)class="disabled" @endcannot>{{ $oo->id }}</a></td>
 							<td>{{ $oo->name }} @if(! $oo->active)<span class="float-end"><small>[i]</small></span>@endif</td>
 							<td>{{ $oo->sysop }}</td>
 							<td>{{ $oo->location }}</td>