Minor tweaks to default values

src/lib/components/menu/Menu.svelte

@@ -138,7 +138,7 @@
     if (!event.defaultPrevented) $buttonStore?.focus({ preventScroll: true });
   }
 
-  let openClosedState: Writable<State> | undefined = writable();
+  let openClosedState: Writable<State> | undefined = writable(State.Closed);
   setContext("OpenClosed", openClosedState);
 
   $: $openClosedState = match(menuState, {

src/lib/components/portal/Portal.svelte

@@ -4,7 +4,7 @@
   import { portal } from "$lib/hooks/use-portal";
   let forceInRoot = usePortalRoot();
   let groupTarget = usePortalGroupContext();
-  $: target = (() => {
+  let target = (() => {
     // Group context is used, but still null
     if (
       !(forceInRoot && $forceInRoot) &&

src/lib/components/transitions/TransitionChild.svelte

@@ -152,7 +152,7 @@
   }
 
   setContext(NESTING_CONTEXT_NAME, nesting);
-  let openClosedState: Writable<State> | undefined = writable();
+  let openClosedState: Writable<State> | undefined = writable(State.Closed);
   setContext("OpenClosed", openClosedState);
 
   $: openClosedState.set(