fix(Files): preserve URI format in canonicalizeUri

Author: WhyThat

analysis/src/Files.ml

@@ -107,4 +107,4 @@ let canonicalizeUri uri =
   if Cfg.isTestMode.contents then uri |> Uri.toString
   else
     let path = Uri.toPath uri in
-    path |> Unix.realpath
+    path |> Unix.realpath |> Uri.fromPath |> Uri.toString