FEAT: Allow users to view pending follow requests they sent

This commit implements the `following/requests/sent` interface firstly
implemented on Firefish, and provides a UI interface to view the pending
follow requests users sent.

packages/frontend/src/navbar.ts

@@ -41,7 +41,6 @@ export const navbarItemDef = reactive({
 	followRequests: {
 		title: i18n.ts.followRequests,
 		icon: 'ti ti-user-plus',
-		show: computed(() => $i != null && $i.isLocked),
 		indicated: computed(() => $i != null && $i.hasPendingReceivedFollowRequest),
 		to: '/my/follow-requests',
 	},