More power nullability (#3070)

Content.Server/GameObjects/EntitySystems/Power/PowerSolarControlConsoleSystem.cs

@@ -0,0 +1,32 @@
+#nullable enable
+using Content.Server.GameObjects.Components.Power.PowerNetComponents;
+using JetBrains.Annotations;
+using Robust.Shared.GameObjects.Systems;
+
+namespace Content.Server.GameObjects.EntitySystems
+{
+    /// <summary>
+    /// Responsible for updating solar control consoles.
+    /// </summary>
+    [UsedImplicitly]
+    internal sealed class PowerSolarControlConsoleSystem : EntitySystem
+    {
+        /// <summary>
+        /// Timer used to avoid updating the UI state every frame (which would be overkill)
+        /// </summary>
+        private float _updateTimer;
+
+        public override void Update(float frameTime)
+        {
+            _updateTimer += frameTime;
+            if (_updateTimer >= 1)
+            {
+                _updateTimer -= 1;
+                foreach (var component in ComponentManager.EntityQuery<SolarControlConsoleComponent>())
+                {
+                    component.UpdateUIState();
+                }
+            }
+        }
+    }
+}