Custom Code for Pilot IDents (#1398)

* Custom Code for Pilot IDents

Adds a new setting to customize the ident or to use a fixed icao code in a multi airline environment.

If settings is null/empty, airline icao will be used as like before.

* StyleFix

app/Models/User.php

@@ -131,8 +131,9 @@ class User extends Authenticatable
     public function getIdentAttribute(): string
     {
         $length = setting('pilots.id_length');
+        $ident_code = filled(setting('pilots.id_code')) ? setting('pilots.id_code') : optional($this->airline)->icao;
 
-        return optional($this->airline)->icao.str_pad($this->pilot_id, $length, '0', STR_PAD_LEFT);
+        return $ident_code.str_pad($this->pilot_id, $length, '0', STR_PAD_LEFT);
     }
 
     /**