Unhardcode some logic related to objects with battery slots. Minor fix to fire helmets. (#11734)

Content.Shared/PowerCell/Components/PowerCellSlotComponent.cs

@@ -12,37 +12,8 @@ public sealed class PowerCellSlotComponent : Component
     /// Given that <see cref="PowerCellSystem"/> needs to verify that a given cell has the correct cell-size before
     /// inserting anyways, there is no need to specify a separate entity whitelist. In this slot's yaml definition.
     /// </remarks>
-    [DataField("cellSlot")]
-    public ItemSlot CellSlot = new();
-
-    /// <summary>
-    /// Name of the item-slot used to store cells. Determines the eject/insert verb text. E.g., "Eject > Power cell".
-    /// </summary>
-    /// <remarks>
-    /// This is simply used provide a default value for <see cref="CellSlot.Name"/>. If this string is empty or
-    /// whitespace, the verb will instead use the full name of any cell (e.g., "eject > small super-capacity power
-    /// cell").
-    /// </remarks>
-    [DataField("slotName")]
-    public readonly string SlotName = "power-cell-slot-component-slot-name-default"; // gets Loc.GetString()-ed by ItemSlotsSystem
-
-    /// <summary>
-    /// True if we don't want a cell inserted during map init. If a starting item is defined
-    /// in the <see cref="CellSlot"/> yaml definition, that always takes precedence.
-    /// </summary>
-    /// <remarks>
-    /// If false, the cell will start with a standard cell with a matching cell-size.
-    /// </remarks>
-    [DataField("startEmpty")]
-    public bool StartEmpty = false;
-
-    /// <summary>
-    /// Descriptive text to add to add when examining an entity with a cell slot. If empty or whitespace, will not add
-    /// any text.
-    /// </summary>
-    [ViewVariables(VVAccess.ReadWrite)]
-    [DataField("descFormatString")]
-    public string? DescFormatString { get; set; } = "power-cell-slot-component-description-default";
+    [DataField("cellSlotId", required: true)]
+    public string CellSlotId = string.Empty;
 
     /// <summary>
     /// Can this entity be inserted directly into a charging station? If false, you need to manually remove the power
@@ -50,6 +21,7 @@ public sealed class PowerCellSlotComponent : Component
     /// </summary>
     [DataField("fitsInCharger")]
     public bool FitsInCharger = true;
+
 }
 
 /// <summary>