[FIX] *: typos and english incoherences

Mainly transifex issues but also some errors found through 'grep' checks.

Fix typos and obscure english strings in xml contents, fields strings/helps, some docstrings, ...
ensuring correct translations base (and fallback when translations isn't available).

closes odoo/odoo#57276

X-original-commit: 4214f05d454bca2b60fda3a288d529c098e84f77
Related: odoo/enterprise#13053
Signed-off-by: Martin Trigaux (mat) <mat@odoo.com>
Signed-off-by: Victor Feyens (vfe) <vfe@odoo.com>

addons/barcodes/static/src/js/barcode_events.js

@@ -186,7 +186,7 @@ var BarcodeEvents = core.Class.extend(mixins.PropertiesMixin, {
         e.preventDefault();
         e.stopImmediatePropagation();
 
-        // Handle buffered keys immediately if the the keypress marks the end
+        // Handle buffered keys immediately if the keypress marks the end
         // of a barcode or after x milliseconds without a new keypress
         clearTimeout(this.timeout);
         if (String.fromCharCode(e.which).match(this.suffix)) {