[13.0][FIX] issue of field dropdown

web_m2x_options/readme/CONTRIBUTORS.rst

@@ -9,3 +9,4 @@
   * Jairo Llopis <jairo.llopis@tecnativa.com>
   * David Vidal <david.vidal@tecnativa.com>
   * Ernesto Tejeda <ernesto.tejeda87@gmail.com>
+* Bhavesh Odedra <bodedra@opensourceintegrators.com>

web_m2x_options/static/src/js/form.js

@@ -136,6 +136,7 @@ odoo.define("web_m2x_options.web_m2x_options", function(require) {
         },
 
         _search: function(search_val) {
+            var self = this;
             var def = new Promise(resolve => {
                 // Add options limit used to change number of selections record
                 // returned.