Remove more global refs / state (#7723)

* remove more global refs / state

* fix job enterprise initialization

* fix api4 test compilation

* saml api endpoints fix

api/admin.go

@@ -400,7 +400,7 @@ func removeCertificate(c *Context, w http.ResponseWriter, r *http.Request) {
 }
 
 func samlCertificateStatus(c *Context, w http.ResponseWriter, r *http.Request) {
-	status := app.GetSamlCertificateStatus()
+	status := c.App.GetSamlCertificateStatus()
 
 	statusMap := map[string]interface{}{}
 	statusMap["IdpCertificateFile"] = status.IdpCertificateFile