feat:#16 fixed contains with slices

backend/model/eventModel.go

@@ -1,16 +1,14 @@
 package model
 
-import "github.com/pocketbase/pocketbase/models"
+import (
+	"github.com/pocketbase/pocketbase/models"
+	"slices"
+)
 
 type Events []Event
 
 func (m Events) Contains(event Event) bool {
-	for _, e := range m {
-		if e.Equals(event) {
-			return true
-		}
-	}
-	return false
+	return slices.Contains(m, event)
 }
 
 type Event struct {