Add messages informing that collections are empty (fixes #4115) (#8418)

* Add messages informing that collections are empty

Adds empty messages to blocked users, domain blocks, favourited statuses, users
that favourited toot, follow requests, followers of given user, user's being
followed by given user, lists, muted users, toots' boosts.

Switched from using ScrollContainer to ScrollableList and/or added empty
message's text.

Fixes #4115

* Update localization files with strings for #4115

* Fix whitespace issues pointed out by codeclimate

app/javascript/mastodon/locales/zh-TW.json

@@ -10,7 +10,9 @@
   "account.endorse": "Feature on profile",
   "account.follow": "關注",
   "account.followers": "關注者",
+  "account.followers.empty": "No one follows this user yet.",
   "account.follows": "正在關注",
+  "account.follows.empty": "This user doesn't follow anyone yet.",
   "account.follows_you": "關注你",
   "account.hide_reblogs": "隱藏來自 @{name} 的轉推",
   "account.media": "媒體",
@@ -106,12 +108,19 @@
   "emoji_button.search_results": "搜尋結果",
   "emoji_button.symbols": "符號",
   "emoji_button.travel": "旅遊與地點",
+  "empty_column.blocks": "You haven't blocked any users yet.",
   "empty_column.community": "本地時間軸是空的。公開寫點什麼吧！",
   "empty_column.direct": "你還沒有使用過私訊。當你發出或著收到私訊時，它會在這裡顯示。",
+  "empty_column.domain_blocks": "There are no hidden domains yet.",
+  "empty_column.favourited_statuses": "You don't have any favourite toots yet. When you favourite one, it will show up here.",
+  "empty_column.favourites": "No one has favourited this toot yet. When someone does, they will show up here.",
+  "empty_column.follow_requests": "You don't have any follow requests yet. When you receive one, it will show up here.",
   "empty_column.hashtag": "這個主題標籤下什麼都沒有。",
   "empty_column.home": "你還沒關注任何人。造訪{public}或利用搜尋功能找到其他用者。",
   "empty_column.home.public_timeline": "公開時間軸",
   "empty_column.list": "此份清單尚未有東西。當此清單的成員貼出了新的狀態時，它們就會出現在這裡。",
+  "empty_column.lists": "You don't have any lists yet. When you create one, it will show up here.",
+  "empty_column.mutes": "You haven't muted any users yet.",
   "empty_column.notifications": "還沒有任何通知。和別的使用者互動來開始對話。",
   "empty_column.public": "這裡什麼都沒有! 寫一些公開的嘟文，或著關注其他站點的使用者後，這裡就會有嘟文出現了",
   "follow_request.authorize": "授權",
@@ -276,6 +285,7 @@
   "status.reblog": "轉嘟",
   "status.reblog_private": "轉嘟給原有關注者",
   "status.reblogged_by": "{name} 轉嘟了",
+  "status.reblogs.empty": "No one has boosted this toot yet. When someone does, they will show up here.",
   "status.redraft": "刪除 & 編輯",
   "status.reply": "回覆",
   "status.replyAll": "回覆所有人",