[FIX] web: BasicModel: default_get: handle false value for o2m

The value for one2many fields returned by default_get may be a
list of commands, or directly a list of ids. These cases were
correctly handled. However, it seems that the value can also be
false, and when this happened, it crashed. For instance, go to
Sales > Leads (must be activated in the Settings) > in the list
view, check several leads > in 'Action', click on 'Convert to
Opportunities' > crash.

1 files changed, 1 insertions, 0 deletions

diff --git a/addons/web/static/src/js/views/basic/basic_model.js b/addons/web/static/src/js/views/basic/basic_model.js
index 67688c83fdc..8bb46ea68aa 100644
--- a/addons/web/static/src/js/views/basic/basic_model.js
+++ b/addons/web/static/src/js/views/basic/basic_model.js
@@ -2895,6 +2895,7 @@ var BasicModel = AbstractModel.extend({
                         x2manyList._changes = [];
                         var many2ones = {};
                         var r;
+                        result[name] = result[name] || []; // handle false value
                         var isCommandList = result[name].length && _.isArray(result[name][0]);
                         if (!isCommandList) {
                             result[name] = [[6, false, result[name]]];