[IMP] web_m2x_options: Efficiency

Improved the efficiency of code: With this improvement we achieve to just do an rpc call when the js file is called instead of do the call for each field.

web_m2x_options/static/src/js/ir_options.js

@@ -0,0 +1,12 @@
+/* Copyright 2020 Tecnativa - Carlos Roca
+ *  * License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl). */
+odoo.define("web_m2x_options.ir_options", function (require) {
+    "use strict";
+
+    var rpc = require("web.rpc");
+
+    return rpc.query({
+        model: "ir.config_parameter",
+        method: "get_web_m2x_options",
+    });
+});