No second symbols screen in keyboard (e.g. '/' key)

Reproduction:

1. Open Contacts
2. Open Website field
3. Try to type a URL https://puri.sm
4. Notice there is no keyboard support for the '/' key and other "second screen symbols"

no-second-symbols-keyboard

Package: squeekboard
Status: install ok installed
Priority: optional
Section: x11
Installed-Size: 1268
Maintainer: Dorota Czaplejewicz <dorota.czaplejewicz@puri.sm>
Architecture: arm64
Version: 1.0.11~730.gbp851a91
Depends: libc6 (>= 2.25), libcairo2 (>= 1.10.0), libcroco3 (>= 0.6.2), libgcc1 (>= 1:4.2), libglib2.0-0 (
>= 2.37.3), libgtk-3-0 (>= 3.21.4), libpango-1.0-0 (>= 1.14.0), libpangocairo-1.0-0 (>= 1.14.0), libwayla
nd-client0 (>= 1.16), libxkbcommon0 (>= 0.5.0)
Description: On-screen keyboard for Wayland
 Virtual keyboard supporting Wayland, built primarily for the Librem 5 phone.
Homepage: https://source.puri.sm/Librem5/squeekboard