Power cell slot QOL (#15373)

Content.Server/UserInterface/ActivatableUIRequiresPowerCellComponent.cs

@@ -0,0 +1,13 @@
+using Content.Server.PowerCell;
+using Content.Shared.UserInterface;
+
+namespace Content.Server.UserInterface;
+
+/// <summary>
+/// Specifies that the attached entity requires <see cref="PowerCellDrawComponent"/> power.
+/// </summary>
+[RegisterComponent]
+public sealed class ActivatableUIRequiresPowerCellComponent : Component
+{
+
+}