✏️ [#4895] Rename event 'cosign confirmation' to 'cosign request'

It is rather a cosign request email, since the cosign confirmation itself is not much different from the "normal" confirmation email.

src/openforms/emails/constants.py

@@ -9,7 +9,7 @@
 class EmailEventChoices(models.TextChoices):
     registration = "registration", _("Registration")
     confirmation = "confirmation", _("Confirmation")
-    cosign_confirmation = "cosign_confirmation", _("Co-sign confirmation")
+    cosign_request = "cosign_request", _("Co-sign request")
 
 
 class EmailContentTypeChoices(models.TextChoices):

src/openforms/submissions/tasks/emails.py

@@ -144,7 +144,7 @@ def send_email_cosigner(submission_id: int) -> None:
                     "Content-Language": submission.language_code,
                     X_OF_CONTENT_TYPE_HEADER: EmailContentTypeChoices.submission,
                     X_OF_CONTENT_UUID_HEADER: str(submission.uuid),
-                    X_OF_EVENT_HEADER: EmailEventChoices.cosign_confirmation,
+                    X_OF_EVENT_HEADER: EmailEventChoices.cosign_request,
                 },
             )
         except Exception:

src/openforms/submissions/tests/test_task_co_sign.py

@@ -177,7 +177,7 @@ def test_form_link_not_allowed_in_email(self):
         self.assertNotIn(form_link, email.body)
         self.assertIn(submission.public_registration_reference, email.body)
 
-    def test_headers_in_cosign_email(self):
+    def test_headers_in_cosign_request_email(self):
         submission = SubmissionFactory.from_components(
             components_list=[
                 {
@@ -204,6 +204,6 @@ def test_headers_in_cosign_email(self):
             {
                 "Content-Language": "nl",
                 "X-OF-Content-Type": EmailContentTypeChoices.submission,
-                "X-OF-Event": EmailEventChoices.cosign_confirmation,
+                "X-OF-Event": EmailEventChoices.cosign_request,
             },
         )