Lightroom automatically unflags next photo I tap, after unflagging previous photo

Here's the problem:

In Develop Module, when I unflag a photo in the filmstrip, by clicking the flag, Lightroom will automatically unflag the next sequential filmstrip photo that I click, without touching the flag icon of that filmstrip photo.

Here's the sequence in Develop Module, filter set to Flagged Only:

1.  Select a filmstrip photo, by clicking center of filmstrip thumbnail.  Result: Thumbnail is highlighted as expected.
2.  Unflag selected filmstrip photo, by clicking flag icon on thumbnail.  Result:  Photo is unflagged, and disappears as expected due to Flagged Only filter
3.  Select the next sequential filmstrip photo, by clicking center of thumbnail, not touching flag icon.  Result: Photo is unflagged, and disappears.

Here's the system:

• Edition Windows 10 Home
• Version 21H2
• Installed on ‎3/‎17/‎2021
• OS build 19044.1586
• Experience Windows Feature Experience Pack 120.2212.4170.0
• Processor AMD Ryzen 9 3950X 16-Core Processor 3.50 GHz
• Installed RAM 64.0 GB
• System type 64-bit operating system, x64-based processor
• Pen and touch Pen support
• Wacom Intuos Pen & Touch Tablet

• Lightroom Classic 11.2
• Develop Module
• Filter: Flagged photos only

Here's someone with the same problem that didn't get resolved, discussion is closed:

https://feedback-readonly.photoshop.com/conversations/lightroom-classic/lightroom-classic-when-i-unflag-a-photo-the-next-photo-i-click-on-unflags-itself-too/5fb29fe2408c920f41a40e66