[FIX] web_editor: shift enter must call oShiftEnter

Current behavior before Fix:

when we hit shift+enter the oShiftEnter doest not trigger

Desired behavior after Fix:

now when we hit shift+enter oShiftEnter gets triggered.

Task id-2991164

closes odoo/odoo#101345

X-original-commit: d1808c8d50372a5e7e0063634037e069aa7fc55a
Signed-off-by: David Monjoie (dmo) <dmo@odoo.com>

addons/web_editor/static/src/js/editor/odoo-editor/src/OdooEditor.js

@@ -3185,6 +3185,9 @@ export class OdooEditor extends EventTarget {
             }
             ev.preventDefault();
             ev.stopPropagation();
+        } else if (ev.shiftKey && ev.key === "Enter") {
+            ev.preventDefault();
+            this._applyCommand('oShiftEnter');
         } else if (IS_KEYBOARD_EVENT_UNDO(ev)) {
             // Ctrl-Z
             ev.preventDefault();