Resolve #3504117 "Smartdatetraitaugmentoutput requires timestamp"

Closes #3504117

src/SmartDatePluginTrait.php

@@ -214,9 +214,7 @@ trait SmartDatePluginTrait {
       }
 
       if (!empty($augmenters['instances'])) {
-        // @todo examine why we aren't using the $start_ts and $end_ts that are
-        // already normalized above.
-        $this->augmentOutput($elements[$delta], $augmenters['instances'], $item->value, $item->end_value, $timezone, $delta);
+        $this->augmentOutput($elements[$delta], $augmenters['instances'], $start_ts, $end_ts, $timezone, $delta);
       }
     }