[IMP] hr_expense: attachment expense sheet

The goal of this pr is to remove the name of the file on the expense report.

closes odoo/odoo#141226

Task: 3473105
Signed-off-by: Quentin De Paoli <qdp@odoo.com>

addons/hr_expense/static/src/components/attachment_view.js

@@ -6,7 +6,7 @@ import { AttachmentView } from "@mail/core/common/attachment_view";
 patch(AttachmentView.prototype, {
     get displayName() {
         if (this.state.thread.model === 'hr.expense.sheet') {
-            return (this.state.thread.mainAttachment.res_name || this.state.thread.name) + ' - ' + this.state.thread.mainAttachment.filename;
+            return (this.state.thread.mainAttachment.res_name || this.state.thread.name);
         }
         return super.displayName;
     }