VLCPlaybackService: Fix wrong stream recognition

This merge request brings a fix to the wrong live stream recognition.

If the current playing media has been recognized as a live stream and it turns out to have a positive value length, the player in the control center is updated to the default player.

The playback is not interrupted anymore at the end of the media and the play/pause and previous/next interactions do not lead to the end of the playback either.

Closes #1416 (closed)

changed milestone to %3.4.0

added Bug Player labels

mentioned in issue #1416 (closed)

Seems ok functionality-wise. I need to check how expensive it is to call mediaDuration on a live stream potentially every second.

assigned to @fkuehne

I forgot to do the performance tests today, so this will slip to next week, sorry.

approved this merge request

Please rebase this.

added 75 commits

• d007f116...fa638176 - 74 commits from branch videolan:master
• 179ed760 - VLCPlaybackService: Fix wrong stream recognition

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resolved all threads

added 72 commits

• 179ed760...00f94ef4 - 71 commits from branch videolan:master
• 83fd91d0 - VLCPlaybackService: Fix wrong stream recognition

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@diogo.simao-marques still needed?

assigned to @diogo.simao-marques and unassigned @fkuehne

changed milestone to %4.0.0

added 873 commits

• 83fd91d0...e19f4cd5 - 872 commits from branch videolan:master
• 12aa2e5d - VLCPlaybackService: Fix wrong stream recognition

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added 1 commit

• 0b1e3f9f - VLCPlaybackService: Fix wrong stream recognition

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resolved all threads

approved this merge request

added 51 commits

• 0b1e3f9f...3ac0381b - 50 commits from branch videolan:master
• 3c1b64dd - VLCPlaybackService: Fix wrong stream recognition

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enabled an automatic merge when all merge checks for 3c1b64dd pass

merged