Do not save record in editable tree view with parent when checkbox is toggled

The parent record is responsible to save the records which is part of a field.

Closes #14848
(grafted from a20b069dd1699260f029e93ee2e0c306a15fe155)

--HG--
branch : 8.0

sao/src/view/tree.js

@@ -2791,7 +2791,7 @@
                 fields, false, false)) {
                 var value = cell.prop('checked');
                 this.field.set_client(record, value);
-                if (record !== current_record) {
+                if ((!this.group.parent) & (record !== current_record)) {
                     // we can not rely on editable tree handler to save the row
                     record.save();
                 }