Revert "Avoid setCurrentDirectory in hls-stylish-haskell-plugin"

This reverts commit 985df44.

Author: jhrcek

plugins/hls-stylish-haskell-plugin/src/Ide/Plugin/StylishHaskell.hs

@@ -78,8 +78,12 @@ provider recorder ide _token typ contents fp _opts = do
 -- | Recursively search in every directory of the given filepath for .stylish-haskell.yaml.
 -- If no such file has been found, return default config.
 loadConfigFrom :: FilePath -> IO Config
-loadConfigFrom file =
-  loadConfig (makeVerbose False) (Just $ takeDirectory file)
+loadConfigFrom file = do
+  currDir <- getCurrentDirectory
+  setCurrentDirectory (takeDirectory file)
+  config <- loadConfig (makeVerbose False) Nothing
+  setCurrentDirectory currDir
+  pure config
 
 -- | Run stylish-haskell on the given text with the given configuration.
 runStylishHaskell :: FilePath           -- ^ Location of the file being formatted. Used for error message