Downloaded file is named using the optional filename AND the video title

[BernhardMaier]

Currently, when I specify a filename for new videos, they are named using both the filename and the YouTube video title, e.g., myName-ytTitle.mp4. Is this how it's supposed to work, or is this a bug? I suspect that someone forgot to update the filename in the arguments, so the title is still being appended:

FinTube/Jellyfin.Plugin.FinTube/Api/FinTubeActivityController.cs

Line 131 in c03c30b

args += $" -o \"{targetFilename}-%(title)s.%(ext)s\" {data.ytid}";