Update

inc/vendors/cmb2-plugins/cmb2/custom-fields/iconpicker/assets/script.js

@@ -0,0 +1,49 @@
+(function( $ ) {
+	'use strict';
+	$( document ).ready( function() {
+ 
+
+		$( ".adduser-team" ).delegate( ".remove-user", "click", function() {
+			if( confirm( $(this).data('alert') ) ){
+				$(this).parents( '.user-team' ).remove();
+			}
+		});
+
+		$( '.opalestate-add-user-field' ).each( function() {
+			var $this = $(this);
+			$('.button', this).click( function () {
+ 
+
+				var user_search = $( '.opalestate-adduser-search', $(this).parent().parent() ).val();
+ 
+
+		        $('.opalestate-ajax').show();
+
+		        var data = {
+		            action: 'opalestate_ajax_search_username',
+		            user_name: user_search,
+		           
+		        };
+
+ 
+
+		        $.ajax({
+		            type: "POST",
+		            data: data,
+		            dataType: "json",
+		            url: ajaxurl,
+		            success: function ( response ) {
+		           		if( response.status == true ){ 
+		           			var template = wp.template( 'adduser-team-template' );  
+							$('.adduser-team', $this  ).append( template(  response.user   ) );
+		           		}else {
+		           			alert( response.message );
+		           		}
+		            }
+		        });
+
+			} );
+		} );	
+	} );
+		
+})( jQuery );