fix: handle image extraction while editing comment

(cherry picked from commit ba99f74)

frappe/desk/form/utils.py

@@ -57,7 +57,14 @@ def update_comment(name, content):
 	if frappe.session.user not in ["Administrator", doc.owner]:
 		frappe.throw(_("Comment can only be edited by the owner"), frappe.PermissionError)
 
-	doc.content = content
+	if doc.reference_doctype and doc.reference_name:
+		reference_doc = frappe.get_doc(doc.reference_doctype, doc.reference_name)
+		reference_doc.check_permission()
+
+		doc.content = extract_images_from_html(reference_doc, content, is_private=True)
+	else:
+		doc.content = content
+
 	doc.save(ignore_permissions=True)