Fix sprite of newly-spawned empty power cells (#14254)

* Overwrite inherited Sprite layers to exclude the full-charge light.

* Include unshaded layer with visible set to false

Resources/Prototypes/Entities/Objects/Power/powercells.yml

@@ -68,6 +68,14 @@
   suffix: Empty
   parent: PowerCellSmall
   components:
+  - type: Sprite
+    layers:
+      - map: [ "enum.PowerCellVisualLayers.Base" ]
+        state: small
+      - map: [ "enum.PowerCellVisualLayers.Unshaded" ]
+        state: o2
+        shader: unshaded
+        visible: false
   - type: Battery
     maxCharge: 360
     startingCharge: 0
@@ -95,6 +103,14 @@
   suffix: Empty
   parent: PowerCellMedium
   components:
+  - type: Sprite
+    layers:
+      - map: [ "enum.PowerCellVisualLayers.Base" ]
+        state: medium
+      - map: [ "enum.PowerCellVisualLayers.Unshaded" ]
+        state: o2
+        shader: unshaded
+        visible: false
   - type: Battery
     maxCharge: 720
     startingCharge: 0
@@ -122,6 +138,14 @@
   suffix: Empty
   parent: PowerCellHigh
   components:
+  - type: Sprite
+    layers:
+      - map: [ "enum.PowerCellVisualLayers.Base" ]
+        state: high
+      - map: [ "enum.PowerCellVisualLayers.Unshaded" ]
+        state: o2
+        shader: unshaded
+        visible: false
   - type: Battery
     maxCharge: 1080
     startingCharge: 0
@@ -149,6 +173,14 @@
   suffix: Empty
   parent: PowerCellHyper
   components:
+  - type: Sprite
+    layers:
+      - map: [ "enum.PowerCellVisualLayers.Base" ]
+        state: hyper
+      - map: [ "enum.PowerCellVisualLayers.Unshaded" ]
+        state: o2
+        shader: unshaded
+        visible: false
   - type: Battery
     maxCharge: 1800
     startingCharge: 0