Update signature param

src/invidious/videos.cr

@@ -562,8 +562,8 @@ struct Video
         if fmt_stream["url"]?
           fmt["url"] = fmt_stream["url"].as_s
         end
-        if fmt_stream["cipher"]?
-          HTTP::Params.parse(fmt_stream["cipher"].as_s).each do |key, value|
+        if cipher = fmt_stream["cipher"]? || fmt_stream["signatureCipher"]?
+          HTTP::Params.parse(cipher.as_s).each do |key, value|
             fmt[key] = value
           end
         end
@@ -638,8 +638,8 @@ struct Video
         if adaptive_fmt["url"]?
           fmt["url"] = adaptive_fmt["url"].as_s
         end
-        if adaptive_fmt["cipher"]?
-          HTTP::Params.parse(adaptive_fmt["cipher"].as_s).each do |key, value|
+        if cipher = adaptive_fmt["cipher"]? || adaptive_fmt["signatureCipher"]?
+          HTTP::Params.parse(cipher.as_s).each do |key, value|
             fmt[key] = value
           end
         end