Browser<>Fullscreen, folders included as blank screens

[Alz Oecte]

Subject: 1.5.2: Browser<>Fullscreen, folders included as blank screens

XnView: MP 1.5.2: - 64-bit
OS: Windows 10 - 64-bit

When launching Fullscreen mode from Browser tab, folders were included in the viewing queue as blank screens.

Effect: severe blank screens in viewing queue

To reproduce:
1. Situation background, some pictures and sub-folders were located inside a folder.
2. From Browser tab, launch Fullscreen by viewing a picture.
3. In Fullscreen mode, navigate to previous from first picture (or loop through the last picture)
Actual behaviour (bug): a blank screen displayed for each sub-folder

Expected behaviour: (if loop disabled) remain at first picture, (if loop enabled) switch between the first<>last picture

[xmozg]

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