Fix yesterday's fix

we were invoking cabal-helper too early

Language/Haskell/GhcMod/Target.hs

@@ -489,7 +489,8 @@ needsFallback = any $ \ms ->
 
 cabalResolvedComponents :: (IOish m) =>
    GhcModT m (Map ChComponentName (GmComponent 'GMCResolved (Set ModulePath)))
-cabalResolvedComponents = withAutogen $ do
+cabalResolvedComponents = do
     crdl@(Cradle{..}) <- cradle
     comps <- mapM (resolveEntrypoint crdl) =<< getComponents
-    cached cradleRootDir (resolvedComponentsCache cradleDistDir) comps
+    withAutogen $
+      cached cradleRootDir (resolvedComponentsCache cradleDistDir) comps