Canonicalize hiedb path before comparing

Path comparisons are not accurate if non canonical

Author: pepeiborra

ghcide/src/Development/IDE/Core/Rules.hs

@@ -732,10 +732,12 @@ getModIfaceFromDiskAndIndexRule =
       hie_loc = ml_hie_file $ ms_location ms
   hash <- liftIO $ getFileHash hie_loc
   mrow <- liftIO $ HieDb.lookupHieFileFromSource hiedb (fromNormalizedFilePath f)
+  hie_loc' <- liftIO $ canonicalizePath $ HieDb.hieModuleHieFile mrow
   case mrow of
     Just row
       | hash == HieDb.modInfoHash (HieDb.hieModInfo row)
-      , hie_loc == HieDb.hieModuleHieFile row  -> do
+      && hie_loc == hie_loc'
+      -> do
       -- All good, the db has indexed the file
       when (coerce $ ideTesting se) $ liftIO $ mRunLspT (lspEnv se) $
         LSP.sendNotification (SCustomMethod "ghcide/reference/ready") $