Fix: Repeat fields typing in CommonClass children

# Fix: Repeat fields typing in CommonClass children

phpstan needs typing to be 'co-variant' and therefore typing must be repeated as
the method is not to initialise the property in the constructor, but to override
the proparty by a 'local' definition in the child class

htdocs/salaries/class/paymentsalary.class.php

@@ -3,6 +3,7 @@
  * Copyright (C) 2014       Juanjo Menent       <jmenent@2byte.es>
  * Copyright (C) 2021       Gauthier VERDOL     <gauthier.verdol@atm-consulting.fr>
  * Copyright (C) 2024       Frédéric France             <frederic.france@free.fr>
+ * Copyright (C) 2024		MDW							<mdeweerd@users.noreply.github.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -152,7 +153,7 @@ class PaymentSalary extends CommonObject
 	public $datev = '';
 
 	/**
-	 * @var array
+	 * @var array<string,array{type:string,label:string,enabled:int<0,2>,position:int,notnull:int,visible:int,noteditable?:int,default?:string,index?:int,foreignkey?:string,searchall?:int,isameasure?:int,css?:string,help?:string,showoncombobox?:int,disabled?:int,arrayofkeyval?:array<int,string>,comment?:string}>  Array with all fields and their property. Do not use it as a static var. It may be modified by constructor.
 	 */
 	public $fields = array(
 		'rowid' => array('type'=>'integer', 'label'=>'TechnicalID', 'enabled'=>1, 'visible'=>-2, 'notnull'=>1, 'index'=>1, 'position'=>1, 'comment'=>'Id'),