Fix System ZC identification

app/Models/System.php

@@ -52,7 +52,7 @@ class System extends Model
 	 */
 	public function zcs()
 	{
-		return $this->belongsToMany(Zone::class);
+		return $this->hasMany(Zone::class);
 	}
 
 	/**

resources/views/system/addedit.blade.php

@@ -14,7 +14,7 @@ use App\Http\Controllers\DomainController as DC;
 		@if($o->setup)<sup class="success" style="float:right;top:-2em;">* This Host</sup>@endif
 	@endif
 
-	@if($o->zcs)
+	@if($o->zcs->count())
 		<p>This system is the ZC for the following zones: <strong class="highlight">{!! $o->zcs->map(function($item) { return sprintf('%d@%s',$item->zone_id,$item->domain->name); })->join('</strong>, <strong class="highlight">') !!} </strong></p>
 	@endif