Focus jumps when switching between multiple databases (tabs)

[ogmios-voice]

Overview

When switching between multiple databases (tabs), focus will jump both from the Groups tree and then the Entries list.

Steps to Reproduce

1. Open 2 databases
2. Select tab 1: select a group w/ at least one entry
3. Select tab 2: select a group w/ at least one entry
4. Select tab 1 again (either w/ mouse or by shortcut Ctrl+Tab): focus has jumped to the Entries list
5. Select tab 2: same as 4.
6. Select tab 1 yet again: focus has jumped to the General tab title in the Preview Panel.
7. Select tab 2: same as 6.

Expected Behavior

Focus should stay on the selected component.

Actual Behavior

See Steps to Reproduce

Context

KeePassXC - Version 2.6.6
Revision: 9c108b9
Qt 5.15.2
Operating system: Windows 10 Version 2009
CPU architecture: x86_64
Kernel: winnt 10.0.19043

[droidmonkey]

This is fixed by #8435