Fixed next appt. filter

app/Http/Controllers/AdminController.php

@@ -77,6 +77,11 @@ class AdminController extends Controller
         if ($request->input('next_appointment_category')) {
             if($request->input('next_appointment_category') == 'NONE'){
                 $patients = $patients->whereNull('next_mcp_appointment_id');
+            }else{
+                $self = $this;
+                $patients = $patients->whereHas('nextMcpAppointment', function($pQry) use ($request, $self){
+                    return $self->filterMultiQuery($request, $pQry, 'raw_date', 'next_appointment_category', 'next_appointment_value_1', 'next_appointment_value_2');
+                });
             }
         }