fix use of SetFELog with log_level="error" => level="danger"

main.py

@@ -142,7 +142,7 @@ def login():
     # ldap-injecting our username, so send them back to the login page instead
     if request.method == 'POST' and re.search( r'[()\\*&!]', request.form['username']):
        from job import SetFELog
-       SetFELog( message=f"ERROR: Detected special LDAP chars in username: {request.form['username']}", log_level="error", persistent=True, cant_close=True )
+       SetFELog( message=f"ERROR: Detected special LDAP chars in username: {request.form['username']}", level="danger", persistent=True, cant_close=True )
        return redirect(url_for('login'))
     if form.validate_on_submit():
         # Successfully logged in, We can now access the saved user object via form.user.