switched to extract_selected_tab for the community tab

src/invidious/channels/community.cr

@@ -13,13 +13,11 @@ def fetch_channel_community(ucid, continuation, locale, format, thin_mode)
 
   if !continuation || continuation.empty?
     initial_data = extract_initial_data(response.body)
-    body = initial_data["contents"]?.try &.["twoColumnBrowseResultsRenderer"]["tabs"].as_a.select { |tab| tab["tabRenderer"]?.try &.["selected"]?.try &.as_bool == true }[0]?
+    body = extract_selected_tab(initial_data["contents"]["twoColumnBrowseResultsRenderer"]["tabs"])["content"]["sectionListRenderer"]["contents"][0]["itemSectionRenderer"]
 
     if !body
       raise InfoException.new("Could not extract community tab.")
     end
-
-    body = body["tabRenderer"]["content"]["sectionListRenderer"]["contents"][0]["itemSectionRenderer"]
   else
     continuation = produce_channel_community_continuation(ucid, continuation)