Filter with type checkboxes doesn't work

[Jimmi08]

Bug Description

With type checkboxes filter doesn't work..
It happened for custom plugin, but you can simulate with news too.

		'catid'                   => array (  'title' => LAN_CHOOSECAT,  
                    'type' => 'checkboxes',  
                    'data' => 'str',  
                    'filter' => true, 
		            'width' => 'auto',  
                    'inline'=>'1',
                    'help' => '',  
                    'readParms'=>array('type'=>'checkboxes'),  
		            'writeParms' =>  array ('multiple'=>'1', 'useKeyValues' => 1 
         ), 

Result:

How to Reproduce

Just switch dropdown for news_render_type in news admin to checkboxes. The same result.

	 'news_render_type'		=> array('title' => LAN_LOCATION, 	
        'type' => 'checkboxes',  'data'=>'safestr',  'tab'=>2,  'inline'=>true, 
        'readParms'=>array('type'=>'checkboxes'), 'width' => 'auto', 	'thclass' => 'left', 		
        'class' => 'left', 		'nosort' => false, 'batch'=>true, 'filter'=>true),

For batch it looks:

PHP 7.2

Thanks