[FIX] point_of_sale : wrong currency decimals

To have the same behavior as `_compute_decimal_places` in python
When setting rounding of currency > 10, POS will get negative decimals
instead value 0 and crash

Closes #22199

addons/point_of_sale/static/src/js/models.js

@@ -330,7 +330,7 @@ exports.PosModel = Backbone.Model.extend({
         ids:    function(self){ return [self.config.currency_id[0]]; },
         loaded: function(self, currencies){
             self.currency = currencies[0];
-            if (self.currency.rounding > 0) {
+            if (self.currency.rounding > 0 && self.currency.rounding < 1) {
                 self.currency.decimals = Math.ceil(Math.log(1.0 / self.currency.rounding) / Math.log(10));
             } else {
                 self.currency.decimals = 0;

doc/cla/individual/phucngta.md

@@ -0,0 +1,11 @@
+Vietnam, 2018.01.17
+
+I hereby agree to the terms of the Odoo Individual Contributor License
+Agreement v1.0.
+
+I declare that I am authorized and able to make this agreement and sign this
+declaration.
+
+Signed,
+
+Nguyen Phuc <phucngta@gmail.com> https://github.com/phucngta