[web] use the common split-test for clsi-cache when cloning (#25644)

GitOrigin-RevId: 30377d69a9e1be11261eb6076f8996e71090fb9e

services/web/app/src/Features/Compile/ClsiCacheManager.js

@@ -160,7 +160,7 @@ async function prepareClsiCache(
 ) {
   const { variant } = await SplitTestHandler.promises.getAssignmentForUser(
     userId,
-    'copy-clsi-cache'
+    'populate-clsi-cache'
   )
   if (variant !== 'enabled') return