[FIX] web: rpc: call route: don't override given params

When calling a route using the new RPC query builder (e.g. by
doing "this._rpc('/a/route').params({a: 'a'}).exec()"), if one of
the route kwargs was 'model', 'method', 'args' or 'kwargs', the
given value was overriden by undefined.

1 files changed, 3 insertions, 2 deletions

diff --git a/addons/web/static/src/js/core/rpc.js b/addons/web/static/src/js/core/rpc.js
index c18c7ac6809..a6d314f35a2 100644
--- a/addons/web/static/src/js/core/rpc.js
+++ b/addons/web/static/src/js/core/rpc.js
@@ -97,12 +97,13 @@ var BaseRPCBuilder = Class.extend({
         if (this._context) {
             kwargs.context = this._context;
         }
-        return _.extend({}, this._params, {
+        var params = {
             method: this._method,
             model: this._model,
             args: this._args || (this._method ? [] : undefined),
             kwargs: this._method ? kwargs : undefined,
-        });
+        };
+        return _.defaults(params, this._params);
     },
     /**
      * @private