Revert default click method to Windows-like (pre-GNOME-3.28)

For context, see:

• “[Tails-ux] Default right-click method for touchpads”
• https://help.gnome.org/misc/release-notes/3.28/#device-support
• https://gitlab.gnome.org/GNOME/gsettings-desktop-schemas/commit/77ff1d91d974b2aaebbf7d748f1cd904bc75330b
• https://bugzilla.gnome.org/show_bug.cgi?id=757255

On the hardware I have I can revert with either one of these commands:

gsettings set org.gnome.desktop.peripherals.touchpad click-method areas
gsettings set org.gnome.desktop.peripherals.touchpad click-method default

I guess that “default” is safer: it means “hardware default” and has more chances to adjust to whatever the hardware supports.

Feature Branch: bugfix/17045-click-method

Related issues

• Blocks #16209

Original created by @intrigeri on 17045 (Redmine)