fix pdf methoth not showing, add in ObjekteImDetail projekt_methode_id for relation (kick out raumart for relation)

app/Models/ProjektObjekteImDetail.php

@@ -34,13 +34,8 @@ class ProjektObjekteImDetail extends Model
         return $this->belongsTo(ProjektObjekte::class, 'projekt_objekte_id', 'id');
     }
 
-    public function merkmale()
-    {
-        return $this->hasOne(ProjektMerkmale::class, 'raumart', 'raumart');
-    }
-
     public function methode()
     {
-        return $this->belongsTo(ProjektMethode::class, 'raumart', 'raumart');
+        return $this->belongsTo(ProjektMethode::class, 'projekt_methode_id', 'id');
     }
 }