Disable Wayland by default in 14.0

See #42645 (comment 3066364). At least for 14.0, we want to disable Wayland to give us more time to understand the fingerprinting implications.

added 14.0 stable Doing Linux labels

assigned to @henry

marked this issue as related to #42645

mentioned in merge request !1144 (merged)

mentioned in issue #42645

marked this issue as related to tor-browser-build#41219 (closed)

marked this issue as related to tor-browser-build#41220 (closed)

closed

mentioned in commit Poncho/torbrowser-overlay@f42de3b8