fix: assign write event + remove infinte call

gatts_windows.go

@@ -216,6 +216,7 @@ func (a *Adapter) AddService(s *Service) error {
 			char.Handle.value = char.Value
 			char.Handle.valueMtx = &sync.Mutex{}
 			char.Handle.flags = char.Flags
+			char.Handle.writeEvent = char.WriteEvent
 			goChars[uuid] = char.Handle
 		}
 	}
@@ -244,10 +245,6 @@ func (c *Characteristic) Write(p []byte) (n int, err error) {
 		return 0, nil // nothing to do
 	}
 
-	if c.writeEvent != nil {
-		c.writeEvent(0, 0, p)
-	}
-
 	// writes are only actually processed on read events from clients, we just set a variable here.
 	c.valueMtx.Lock()
 	defer c.valueMtx.Unlock()