[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/models/ir_config_parameter.py

@@ -13,4 +13,7 @@ class IrConfigParameter(models.Model):
             "web_m2x_options.search_more",
             "web_m2x_options.m2o_dialog",
         ]
-        return self.sudo().search_read([["key", "in", opts]], ["key", "value"])
+        return {
+            res["key"]: res["value"]
+            for res in self.sudo().search_read([["key", "in", opts]], ["key", "value"])
+        }