Predict two-way levers (#25043)

* Predict two-way levers

Annoys me the rare occasions I touch cargo. Doesn't predict the signal but at least the lever responds immediately.

* space

* a

Content.Shared/DeviceNetwork/NetworkPayload.cs

@@ -0,0 +1,24 @@
+using System.Diagnostics.CodeAnalysis;
+using Robust.Shared.Utility;
+
+namespace Content.Shared.DeviceNetwork;
+
+public sealed class NetworkPayload : Dictionary<string, object?>
+{
+    /// <summary>
+    /// Tries to get a value from the payload and checks if that value is of type  T.
+    /// </summary>
+    /// <typeparam name="T">The type that should be casted to</typeparam>
+    /// <returns>Whether the value was present in the payload and of the required type</returns>
+    public bool TryGetValue<T>(string key, [NotNullWhen(true)] out T? value)
+    {
+        if (this.TryCastValue(key, out T? result))
+        {
+            value = result;
+            return true;
+        }
+
+        value = default;
+        return false;
+    }
+}