Focus mode gets stuck when native selection is enabled #19075

Brief summary

When forcing focus mode with nvda+space in Chrome or Firefox, with Native selection enabled, focus gets stuck on the current line

Steps to reproduce

For example, try the steps from the system test_i7562:

1. enable native selection mode
2. Open the following URL in Firefox or Chrome: open data:text/html,<div contenteditable="true"><p>before</p><ul><li>frogs</li><li>birds</li></ul><p>after</p></div>
3. Force focus mode with nvda+space
4. Attempt to downArrow from "before"
   Note NVDA will not leave "before"

Actual behavior

NVDA gets stuck on the line in focus mode

Expected behavior

You can navigate from the line with downArrow

NVDA logs, crash dumps and other attachments

No response

NVDA type

installed copy, portable copy, source copy, installer/launcher copy

NVDA version

2025.3, 2026.1 alphas

Have you tried any other versions of NVDA? If so, please report their behaviors.

No response

Windows version

Win 11

Name and version of other software in use when reproducing the issue

Chrome 141
Firefox 143

Other information about your system

No response

Does the issue still occur after restarting your computer?

I have restarted my computer and the issue still occurs

If NVDA add-ons are disabled, is your problem still occurring?

I have restarted NVDA with add-ons disabled and the issue still occurs

Does the issue still occur after you run the COM Registration Fixing Tool in NVDA's tools menu?

I have run the COM Registration Fixing Tool and the issue still occurs