Viewed status is applied to all files in show one file at a time view

Summary

When checking the Viewed checkbox on a certain file and the show one file at a time setting is enabled all files get the viewed state and are collapsed afterwards.

Steps to reproduce

Open a mr enable side by side view, unfold the file navigation and enable the show one file at a time setting. Afterwards on the first file that was changed check the viewed checkbox. On clicking the Next button the next file is also marked as viewed.

What is the expected correct behavior?

Only the actual checked file should be marked as viewed.

Relevant logs and/or screenshots

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