fix(comments mention): Fix ascii issue in comments mention (#6742)

frappe/core/doctype/communication/comment.py

@@ -96,15 +96,17 @@ def notify_mentions(doc):
 
 		recipients = [frappe.db.get_value("User", {"enabled": 1, "name": name, "user_type": "System User"}, "email")
 			for name in mentions]
+		link = get_link_to_form(doc.reference_doctype, doc.reference_name, label=parent_doc_label)
+
 		frappe.sendmail(
 			recipients=recipients,
 			sender=frappe.session.user,
 			subject=subject,
 			template="mentioned_in_comment",
 			args={
-				"sender_fullname": sender_fullname,
+				"body_content": _("{0} mentioned you in a comment in {1}").format(sender_fullname, link),
 				"comment": doc,
-				"link": get_link_to_form(doc.reference_doctype, doc.reference_name, label=parent_doc_label)
+				"link": link
 			},
 			header=[_('New Mention'), 'orange']
 		)

frappe/templates/emails/mentioned_in_comment.html

@@ -1,5 +1,5 @@
 <p>
-	{{ _("{0} mentioned you in a comment in {1}").format(sender_fullname, link) }}
+	{{ body_content }}
 </p>
 <blockquote
 	style="border-left: 3px solid #d1d8dd; padding: 7px 15px; margin-left: 0px;">