fix navigation react version

Author: aspeddro

src/common/Constants.res

@@ -28,7 +28,12 @@ let nextVersion =
 let stdlibVersions =
   versions.latest === "v11.0.0" ? [latestVersion] : [("v11.0.0", "v11"), latestVersion]
 
-let allReactVersions = [("latest", "v0.12.0"), ("v0.11.0", "v0.11.0"), ("v0.10.0", "v0.10.0")]
+let latestReactVersion = "v0.12.0"
+let allReactVersions = [
+  ("latest", latestReactVersion),
+  ("v0.11.0", "v0.11.0"),
+  ("v0.10.0", "v0.10.0"),
+]
 
 let dropdownLabelNext = "--- Next ---"
 let dropdownLabelReleased = "--- Released ---"

src/components/Navigation.res

@@ -76,11 +76,9 @@ module MobileNav = {
 let make = (~fixed=true, ~isOverlayOpen: bool, ~setOverlayOpen: (bool => bool) => unit) => {
   let router = Next.Router.useRouter()
   let route = router.route
-  let url = router.route->Url.parse
-  let verionFromUrl = url->Url.getVersionString
 
   let version = Url.getVersionFromStorage(Manual)->Option.getOr(Constants.versions.latest)
-  let reactVersion = Url.getVersionFromStorage(React)->Option.getOr(verionFromUrl)
+  let reactVersion = Url.getVersionFromStorage(React)->Option.getOr(Constants.latestReactVersion)
 
   let toggleOverlay = () => {
     setOverlayOpen(prev => !prev)