Add tariff unities management

app/Repositories/Botanic/Varieties.php

@@ -78,7 +78,7 @@ class Varieties
 
     public static function store($data)
     {
-        return isset($data['id']) ? self::update($data) : self::create($data);
+        return ($data['id'] ?? false) ? self::update($data) : self::create($data);
     }
 
     public static function create($data)