[FIX] cmis_report_write: add override to render again to save files i…

…n cmis folder

When rendering a report, the files weren't saved in the cmis folder because the override
was missing.

cmis_report_write/models/ir_actions_report.py

@@ -129,6 +129,15 @@ def _render_qweb_pdf(self, report_ref, res_ids, data=None):
                 self.with_context(cmis_report_keys=(report, SAVE_IN_CMIS_MARKER)),
             )._render_qweb_pdf(report_ref, res_ids, data=data)
 
+    @api.model
+    def _render(self, report_ref, res_ids, data=None):
+        report = self._get_report(report_ref)
+        with report.save_in_attachment_if_required():
+            return super(
+                IrActionsReport,
+                self.with_context(cmis_report_keys=(report, SAVE_IN_CMIS_MARKER)),
+            )._render(report_ref, res_ids, data=data)
+
     def retrieve_attachment(self, record):
         if self.attachment != SAVE_IN_CMIS_MARKER:
             return super().retrieve_attachment(record)