fix watercooler sprite (Also adds solution visuals) (#16740)

Resources/Textures/Structures/Storage/tanks.rsi/meta.json

@@ -99,6 +99,21 @@
     },
     {
       "name": "highfueltank-2-7"
+    },
+    {
+      "name": "watercooler-2"
+    },
+    {
+      "name": "watercooler-2-1"
+    },
+    {
+      "name": "watercooler-2-2"
+    },
+    {
+      "name": "watercooler-2-3"
+    },
+    {
+      "name": "watercooler-2-4"
     }
   ]
 }