moved discover from reader header to nav sidebar

actions/getIdentityData.ts

···
           identities(
             *,
             bsky_profiles(*),
-            subscribers_to_publications(*),
+            publication_subscriptions(*),
             custom_domains!custom_domains_identity_id_fkey(publication_domains(*), *),
             home_leaflet:permission_tokens!identities_home_page_fkey(*, permission_token_rights(*)),
             permission_token_on_homepage(

components/ActionBar/Navigation.tsx

···
   currentPage: navPages;
   publication?: string;
 }) => {
-  let unreadNotifications = true;
-
   return (
     <div className="flex flex-col gap-4">
       <Sidebar alwaysOpen>
···
   let thisPublication = identity?.publications?.find(
     (pub) => pub.uri === props.publication,
   );
+  console.log(identity);
   return (
     <>
       <HomeButton current={props.currentPage === "home"} />
-      <ReaderButton current={props.currentPage === "discover"} />
+      <ReaderButton
+        current={props.currentPage === "reader"}
+        subs={identity?.publication_subscriptions?.length !== 0}
+      />
+      <DiscoverButton current={props.currentPage === "discover"} />
+
       <hr className="border-border-light my-1" />
       <PublicationButtons currentPubUri={thisPublication?.uri} />
     </>
···
   );
 };
 
-const ReaderButton = (props: { current?: boolean }) => {
+const ReaderButton = (props: { current?: boolean; subs: boolean }) => {
   let readerUnreads = true;
-  let subs = true;
 
-  if (subs)
-    return (
-      <Link href={"/reader"} className="hover:no-underline!">
-        <ActionButton
-          nav
-          icon={readerUnreads ? <ReaderUnreadSmall /> : <ReaderReadSmall />}
-          label="Reader"
-          className={`
+  if (!props.subs) return;
+  return (
+    <Link href={"/reader"} className="hover:no-underline!">
+      <ActionButton
+        nav
+        icon={readerUnreads ? <ReaderUnreadSmall /> : <ReaderReadSmall />}
+        label="Reader"
+        className={`
           ${readerUnreads ? "text-accent-contrast! border-accent-contrast" : props.current ? "bg-border-light! border-border" : ""}
         `}
-        />
-      </Link>
-    );
+      />
+    </Link>
+  );
+};
+
+const DiscoverButton = (props: { current?: boolean }) => {
   return (
     <Link href={"/discover"} className="hover:no-underline!">
       <ActionButton