(extension) fix video detection not working on http origin [DA-409]#332

Mr-Quin merged 3 commits intomasterMr-Quin/danmaku-anywhere:masterfrom

DA-409_video-detection-not-working-on-http-originMr-Quin/danmaku-anywhere:DA-409_video-detection-not-working-on-http-originCopy head branch name to clipboard