Retrieve relevant description

[deldesir]

🚀 Pull Request Overview:

This pull request retrieves the correct description for each video.

📋 Checklist:

• Tested the changes thoroughly.

📌 Testing scenarios:
See Issue #97

cc @EMG70

PS This PR builds upon #110 to #114

[holta]

FYI my understanding is this PR patches a small functionality regression introduced by:

• PR Rename and persist xklb database #109

[deldesir]

Tested on LRN2:

Before (with incorrect description, prior to applying this PR):

After (with correct description, after applying this PR):

[EMG70]

iiab-diagnostics http://sprunge.us/XPsd7T?en
Downloaded videos appear with full title in Tasks.The video url is now clickable.Good progress @deldesir ,your screenshots were very helpful in the testing .I will keep testing and update.

A scrollable full video description is showing Ok.see screenshot.

[EMG70]

Just to add,the first video in the playlist shows progress until 62% and stalled ,the rest were in "waiting " status .Downloading progressed in the background until all were successfully downloaded.