misc: both wifi.assoc and wifi.deauth will wait for wifi.hop.period*2 on the channel in order to improve key material capturing

modules/wifi/wifi_deauth.go

@@ -141,6 +141,9 @@ func (mod *WiFiModule) startDeauth(to net.HardwareAddr) error {
 
 					mod.onChannel(ap.Channel(), func() {
 						mod.sendDeauthPacket(ap.HW, client.HW)
+						// let's stick to this channel for a while in order
+						// to capture key material from the AP
+						time.Sleep(mod.hopPeriod * 2)
 					})
 				}
 			}