Air alarm fixes (again, oops) (#7715)

* fixes critical issue

* alright, this might be the actual fix

* removes useless null checks

* couple more

* removes default functions from unary device data

Content.Client/Atmos/Monitor/UI/AirAlarmWindow.xaml.cs

@@ -111,8 +111,6 @@ namespace Content.Client.Atmos.Monitor.UI
             switch (device)
             {
                 case GasVentPumpData pump:
-                    if (!pump.Dirty) pump = GasVentPumpData.Default();
-
                     if (!_pumps.TryGetValue(addr, out var pumpControl))
                     {
                         var control= new PumpControl(pump, addr);
@@ -127,8 +125,6 @@ namespace Content.Client.Atmos.Monitor.UI
 
                     break;
                 case GasVentScrubberData scrubber:
-                    if (!scrubber.Dirty) scrubber = GasVentScrubberData.Default();
-
                     if (!_scrubbers.TryGetValue(addr, out var scrubberControl))
                     {
                         var control = new ScrubberControl(scrubber, addr);