Apply suggestions from code review

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

src/invidious/channels/channels.cr

@@ -235,8 +235,8 @@ def fetch_channel(ucid, pull_all_videos : Bool)
         .select(SearchVideo)
         .select(&.id.== video_id)[0]?
 
-      # Not a video, either a short of a livestream
-      # Fetch invididual for info
+      # Not a video, either a short or a livestream
+      # Fetch individual for info
       if channel_video.nil?
         short_or_live = fetch_video(video_id, "")
         video_type = short_or_live.video_type

src/invidious/routes/feeds.cr

@@ -438,7 +438,7 @@ module Invidious::Routes::Feeds
           live_now:           video.live_now,
           premiere_timestamp: video.premiere_timestamp,
           views:              video.views,
-          video_type:         VideoType::Video
+          video_type:         video.video_type
         })
 
         was_insert = Invidious::Database::ChannelVideos.insert(video, with_premiere_timestamp: true)

src/invidious/users.cr

@@ -33,6 +33,8 @@ def get_subscription_feed(user, max_results = 40, page = 1)
   if user.preferences.hide_shorts
     types_to_fetch.delete(VideoType::Short)
   end
+  # Note: hide_livestreams also hides scheduled/premiere videos (VideoType::Scheduled),
+  # since they are typically upcoming livestreams.
   if user.preferences.hide_livestreams
     [VideoType::Livestream, VideoType::Scheduled].each { |v| types_to_fetch.delete(v) }
   end