Fix updating systems sometimes items

app/Http/Controllers/SystemController.php

@@ -36,7 +36,7 @@ class SystemController extends Controller
 
 			// Sometimes items
 			foreach (['sysop','hold','notes','zt_id','heartbeat'] as $key)
-				if ($request->validated($key))
+				if ($request->has($key))
 					$o->{$key} = $request->validated($key);
 
 			switch ($request->validated('pollmode')) {

app/Models/Address.php

@@ -337,7 +337,7 @@ class Address extends Model
 			throw new InvalidFTNException(sprintf('Invalid FTN: [%s] - point address invalid [%d]',$ftn,$matches[4]));
 
 		// Work out region
-		$region_id = 0;
+		$region_id = NULL;
 		$zone_id = NULL;
 
 		// We can only work out region/zone if we have a domain - this is for 2D parsing