[IMP] web: set right alignment for float values on grouped records

addons/web/static/src/less/list_view.less

@@ -94,6 +94,9 @@
                 }
             }
         }
+        > td.oe_number{
+            text-align: right;
+        }
     }
     tbody + tbody {
         border-top: none;  // Override bootstrap for grouped list views