remove ternary + use web client if po_token if not let android client

src/invidious/videos/parser.cr

@@ -55,7 +55,7 @@ def extract_video_info(video_id : String)
   client_config = YoutubeAPI::ClientConfig.new
 
   # Fetch data from the player endpoint
-  player_response = YoutubeAPI.player(video_id: video_id, params: "", client_config: client_config)
+  player_response = YoutubeAPI.player(video_id: video_id, params: "2AMB", client_config: client_config)
 
   playability_status = player_response.dig?("playabilityStatus", "status").try &.as_s
 
@@ -102,7 +102,9 @@ def extract_video_info(video_id : String)
 
   new_player_response = nil
 
-  if reason.nil?
+  # Don't use Android client if po_token is passed because po_token doesn't
+  # work for Android client.
+  if reason.nil? && CONFIG.po_token.nil?
     # Fetch the video streams using an Android client in order to get the
     # decrypted URLs and maybe fix throttling issues (#2194). See the
     # following issue for an explanation about decrypted URLs:
@@ -112,7 +114,10 @@ def extract_video_info(video_id : String)
   end
 
   # Last hope
-  if new_player_response.nil?
+  # Only trigger if reason found and po_token or didn't work wth Android client.
+  # TvHtml5ScreenEmbed now requires sig helper for it to work but po_token is not required
+  # if the IP address is not blocked.
+  if CONFIG.po_token && reason || CONFIG.po_token.nil? && new_player_response.nil?
     client_config.client_type = YoutubeAPI::ClientType::TvHtml5ScreenEmbed
     new_player_response = try_fetch_streaming_data(video_id, client_config)
   end

src/invidious/yt_backend/youtube_api.cr

@@ -493,7 +493,7 @@ module YoutubeAPI
         },
       },
       "serviceIntegrityDimensions" => {
-        "poToken" => CONFIG.po_token ? CONFIG.po_token.as(String) : nil,
+        "poToken" => CONFIG.po_token,
       },
     }