update presence check null geom

app/Http/Controllers/PresenceController.php

@@ -254,6 +254,7 @@ class PresenceController extends Controller
         $geom = DB::table("assign_hr_to_activity as ahta")->select("ma.geom", "ma.id")
                     ->join("m_activity as ma", "ma.id", "=", "ahta.activity_id")
                     ->where("ahta.user_id", $params->user_id)
+                    ->whereNotNull("ma.geom")
                     ->whereDate("ma.start_date", "<=", $params->time)
                     ->whereDate("ma.end_date", ">=", $params->time)
                     ->get();