Update MorphTo.php

Author: laravelwebdev

src/Fields/MorphTo.php

@@ -313,15 +313,15 @@ public function fill(NovaRequest $request, object $model)
 
         $foreignKey = $this->getRelationForeignKeyName($model->{$this->attribute}());
 
+        if ($model->isDirty([$morphType, $foreignKey])) {
+            $model->unsetRelation($this->attribute);
+        }
+        
         parent::fillInto($request, $model, $foreignKey);
 
         if (is_null($model->{$this->attribute.'_type'})) {
             $model->{$this->attribute.'_id'} = null;
         }
-
-        if ($model->isDirty([$morphType, $foreignKey])) {
-            $model->unsetRelation($this->attribute);
-        }
     }
 
     /**