Also fix template URLs for plugins

The email template path is actually different in the main plugin vs the root repo, so we need to account for that difference when building links to GitHub.

uber/automated_emails.py

@@ -133,9 +133,12 @@ def update_template_plugin_info(self):
         env = JinjaEnv.env()
         try:
             template_path = pathlib.Path(env.get_or_select_template(os.path.join('emails', self.template)).filename)
-            self.template_plugin_name = template_path.parts[2]
+            path_offset = 0
+            if template_path.parts[2] == 'plugins':
+                path_offset = 2
+            self.template_plugin_name = template_path.parts[2 + path_offset]
             self.template_url = (f"https://github.com/magfest/{self.template_plugin_name}/tree/main/"
-                                 f"{self.template_plugin_name}/{pathlib.Path(*template_path.parts[3:]).as_posix()}")
+                                 f"{self.template_plugin_name}/{pathlib.Path(*template_path.parts[(3 + path_offset):]).as_posix()}")
         except jinja2.exceptions.TemplateNotFound:
             self.template_plugin_name = "ERROR: TEMPLATE NOT FOUND"
             self.template_url = ""