Shadow anomaly respects "reduced motion" (#25355)

Enabling "reduced motion" now makes the smoke effects not animate. This helps some people with vision issues.

Resources/Textures/Effects/spookysmoke.rsi/meta.json

@@ -25,6 +25,9 @@
           0.2
         ]
       ]
+    },
+    {
+      "name": "spookysmoke_static"
     }
   ]
-}
+}