(legacy) reorder filter configure and rrd in interfaces_assign.php

src/www/interfaces_assign.php

@@ -315,13 +315,12 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
                   }
               }
           }
+          write_config();
           if ($changes > 0) {
-              // reload filter when interfaces have changed (original from apply action)
+              // reload filter, rrd when interfaces have changed (original from apply action)
               filter_configure();
-          }
-
-          write_config();
               enable_rrd_graphing();
+          }
           // redirect
           header("Location: interfaces_assign.php");
           exit;