fix: Style macro class name conflict (#8597)

Author: devongovett

packages/@react-spectrum/s2/style/properties.json

@@ -166,7 +166,7 @@
     "touchAction": "__X",
     "translate": "__Y",
     "wordBreak": "__Z",
-    "--fs": "__Q"
+    "--fs": "__0"
   },
   "values": {
     "--iconPrimary": {