i18n: Use plurals for tokens/replies/unseen notifications

src/invidious/comments.cr

@@ -303,13 +303,19 @@ def template_youtube_comments(comments, locale, thin_mode, is_replies = false)
     root = comments["comments"].as_a
     root.each do |child|
       if child["replies"]?
+        replies_count_text = translate_count(locale,
+          "comments_view_x_replies",
+          child["replies"]["replyCount"].as_s.to_i? || 0,
+          NumberFormatting::Separator
+        )
+
         replies_html = <<-END_HTML
         <div id="replies" class="pure-g">
           <div class="pure-u-1-24"></div>
           <div class="pure-u-23-24">
             <p>
               <a href="javascript:void(0)" data-continuation="#{child["replies"]["continuation"]}"
-                data-onclick="get_youtube_replies" data-load-replies>#{translate(locale, "View `x` replies", number_with_separator(child["replies"]["replyCount"]))}</a>
+                data-onclick="get_youtube_replies" data-load-replies>#{replies_count_text}</a>
             </p>
           </div>
         </div>
@@ -471,7 +477,7 @@ def template_reddit_comments(root, locale)
         <p>
           <a href="javascript:void(0)" data-onclick="toggle_parent">[ - ]</a>
           <b><a href="https://www.reddit.com/user/#{child.author}">#{child.author}</a></b>
-          #{translate(locale, "`x` points", number_with_separator(child.score))}
+          #{translate_count(locale, "comments_points_count", child.score, NumberFormatting::Separator)}
           <span title="#{child.created_utc.to_s(translate(locale, "%a %B %-d %T %Y UTC"))}">#{translate(locale, "`x` ago", recode_date(child.created_utc, locale))}</span>
           <a href="https://www.reddit.com#{child.permalink}" title="#{translate(locale, "permalink")}">#{translate(locale, "permalink")}</a>
           </p>

src/invidious/views/feeds/subscriptions.ecr

@@ -24,7 +24,7 @@
 </div>
 
 <center>
-    <%= translate(locale, "`x` unseen notifications", "#{notifications.size}") %>
+    <%= translate_count(locale, "subscriptions_unseen_notifs_count", notifications.size) %>
 </center>
 
 <% if !notifications.empty? %>

src/invidious/views/token_manager.ecr

@@ -5,7 +5,7 @@
 <div class="pure-g h-box">
     <div class="pure-u-1-3">
         <h3>
-            <%= translate(locale, "`x` tokens", %(<span id="count">#{tokens.size}</span>)) %>
+            <%= translate_count(locale, "tokens_count", tokens.size, NumberFormatting::HtmlSpan) %>
         </h3>
     </div>
     <div class="pure-u-1-3"></div>