Gnome – change the input switching (alt-shift)

• gnome tweaks – apt install gnome-tweak-tool or (gnome-tweaks)
• try change standard settings (Layout, Region and Language)
• run command

gsettings set org.gnome.desktop.wm.keybindings switch-input-source "['<Shift>Alt_L']"

gsettings set org.gnome.desktop.wm.keybindings switch-input-source-backward "['<Alt>Shift_L']"