[FIX] web_editor: fix localeCompare typo

In the method `isClientFirst`, if
`clientA.startTime === clientB.startTime` is true (which should happen
exceptionally), the code calling `localCompare` would fail as the
method name is `localeCompare`.

task-3217719

Part-of: odoo#114481

Author: Goaman

addons/web_editor/static/src/js/wysiwyg/wysiwyg.js

@@ -457,7 +457,7 @@ const Wysiwyg = Widget.extend({
         // Check wether clientA is before clientB.
         const isClientFirst = (clientA, clientB) => {
             if (clientA.startTime === clientB.startTime) {
-                return clientA.id.localCompare(clientB.id) === -1;
+                return clientA.id.localeCompare(clientB.id) < 1;
             } else {
                 return clientA.startTime < clientB.startTime;
             }