fix: Hide reactions of all remote users / feat: moderators can see reactions of all users (#13128)

* fix: Hide reactions of all remote users
https://github.com/misskey-dev/misskey/issues/12964

* feat: Moderators can see reactions of all users
https://github.com/misskey-dev/misskey/issues/13127

* modify CHANGELOG.md

* fix iAmModerator

packages/frontend/src/pages/user/index.vue

@@ -96,7 +96,7 @@ const headerTabs = computed(() => user.value ? [{
 	key: 'achievements',
 	title: i18n.ts.achievements,
 	icon: 'ti ti-medal',
-}] : []), ...($i && ($i.id === user.value.id)) || user.value.publicReactions ? [{
+}] : []), ...($i && ($i.id === user.value.id || $i.isAdmin || $i.isModerator)) || user.value.publicReactions ? [{
 	key: 'reactions',
 	title: i18n.ts.reaction,
 	icon: 'ti ti-mood-happy',