stages/email: fix path for email icon

Signed-off-by: Jens Langhammer <jens@goauthentik.io>

authentik/stages/email/utils.py

@@ -1,6 +1,7 @@
 """email utils"""
 from email.mime.image import MIMEImage
 from functools import lru_cache
+from pathlib import Path
 
 from django.core.mail import EmailMultiAlternatives
 from django.template.loader import render_to_string
@@ -10,7 +11,10 @@ from django.utils import translation
 @lru_cache()
 def logo_data():
     """Get logo as MIME Image for emails"""
-    with open("web/icons/icon_left_brand.png", "rb") as _logo_file:
+    path = Path("web/icons/icon_left_brand.png")
+    if not path.exists():
+        path = Path("web/dist/assets/icons/icon_left_brand.png")
+    with open(path, "rb") as _logo_file:
         logo = MIMEImage(_logo_file.read())
     logo.add_header("Content-ID", "logo.png")
     return logo