[FIX] web: SelectCreateDialog: don't erase domain

When a SelectCreateDialog was opened with a given domain, this
domain was completely lost if the user wrote a new domain (or
groupby) in the searchview, whereas they should be concatenated.

addons/web/static/src/js/views/view_dialogs.js

@@ -375,11 +375,9 @@ var SelectCreateDialog = ViewDialog.extend({
         });
     },
     _process_search_data: function (domains, contexts, groupbys) {
-        var user_context = this.getSession().user_context;
-        contexts = [user_context].concat(contexts);
         var results = pyeval.eval_domains_and_contexts({
-            domains: domains || [],
-            contexts: contexts || [],
+            domains: [this.domain].concat(domains),
+            contexts: [this.context].concat(contexts),
             group_by_seq: groupbys || []
         });
         return {

addons/web/static/tests/fields/relational_fields_tests.js

@@ -3684,6 +3684,44 @@ QUnit.module('relational_fields', {
         form.destroy();
     });
 
+    QUnit.test('many2many with a domain', function (assert) {
+        // The domain specified on the field should not be replaced by the potential
+        // domain the user writes in the dialog, they should rather be concatenated
+        assert.expect(2);
+
+        var form = createView({
+            View: FormView,
+            model: 'partner',
+            data: this.data,
+            arch:'<form string="Partners">' +
+                    '<field name="timmy" domain="[[\'display_name\', \'=\', \'gold\']]"/>' +
+                '</form>',
+            res_id: 1,
+            archs: {
+                'partner_type,false,list': '<tree>' +
+                        '<field name="display_name"/>' +
+                    '</tree>',
+                'partner_type,false,search': '<search>' +
+                        '<field name="display_name" string="Name"/>' +
+                    '</search>',
+            },
+            viewOptions: {
+                mode: 'edit',
+            },
+        });
+
+        form.$('.o_field_x2many_list_row_add a').click();
+        assert.strictEqual($('.modal .o_data_row').length, 1,
+            "should contain only one row (gold)");
+
+        $('.modal .o_searchview_input').trigger({type: 'keypress', which: 115}); // s
+        $('.modal .o_searchview_input').trigger({type: 'keydown', which: 13}); // enter
+
+        assert.strictEqual($('.modal .o_data_row').length, 0, "should contain no row");
+
+        form.destroy();
+    });
+
     QUnit.module('FieldStatus');
 
     QUnit.test('static statusbar widget on many2one field', function (assert) {