Fix google-auth-enabled when upgrading from pre x.45 (#26200)

src/metabase/integrations/google.clj

@@ -44,6 +44,10 @@
   (deferred-tru "Is Google Sign-in currently enabled?")
   :visibility :public
   :type       :boolean
+  :getter     (fn []
+                (if-some [value (setting/get-value-of-type :boolean :google-auth-enabled)]
+                  value
+                  (boolean (google-auth-client-id))))
   :setter     (fn [new-value]
                 (if-let [new-value (boolean new-value)]
                   (if-not (google-auth-client-id)