add icon after submit button on gravity forms.php

<?php 

// ADDS A ICON TAG AFTER THE GRAVITY FORMS BUTTON
add_filter( 'gform_submit_button', 'leg_gform_submit_button_icon', 10, 2 );
function leg_gform_submit_button_icon ( $button, $form ) {

return $button .= "<span class='lege-gravy-form-submit-arrow'><img src='/wp-content/uploads/2022/08/Line-6.png'></span>";

}


//Gravity Form ID 2:
add_filter("gform_submit_button_2", "form_submit_button_2", 10, 2); 
function form_submit_button_2($button, $form){ 

    return "<button class='button' id='gform_submit_button_{$form["id"]}'><span><i class='fa fa-newspaper-o'></i> SUBSCRIBE</span></button>"; 

}

//Gravity Form ID 8:
add_filter("gform_submit_button_8", "form_submit_button_8", 10, 2); 
 
 function form_submit_button_8($button, $form){ 
  return "<button class='button' id='gform_submit_button_{$form["id"]}'><span><i class='fa fa-download'></i> DOWNLOAD</span></button>"; 
  
  }