This bug still shows even after upgrading gjs to version 1.29.16-0ubuntu2. Behaviour is exactly the same as described in original comment.
Error after Alt+F2 ‘/bin/true’ is:
JS ERROR: !!! Exception was: Error: Error invoking Gio.app_info_launch_default_for_uri: No application is registered as handling this file JS ERROR: !!! lineNumber = '0' JS ERROR: !!! fileName = '"gjs_throw"' JS ERROR: !!! stack = '"("Error invoking Gio.app_info_launch_default_for_uri: No application is registered as handling this file")@gjs_throw:0 ("/bin/true",false)@/usr/share/gnome-shell/js/ui/runDialog.js:337 ([object _private_St_IMText],[object _private_Clutter_Event])@/usr/share/gnome-shell/js/ui/runDialog.js:250 "' JS ERROR: !!! message = '"Error invoking Gio.app_info_launch_default_for_uri: No application is registered as handling this file"'
This bug still shows even after upgrading gjs to version 1.29.16-0ubuntu2. Behaviour is exactly the same as described in original comment.
Error after Alt+F2 ‘/bin/true’ is:
JS ERROR: !!! Exception was: Error: Error invoking Gio.app_ info_launch_ default_ for_uri: No application is registered as handling this file info_launch_ default_ for_uri: No application is registered as handling this file")@gjs_throw:0 true",false) @/usr/share/ gnome-shell/ js/ui/runDialog .js:337 St_IMText] ,[object _private_ Clutter_ Event]) @/usr/share/ gnome-shell/ js/ui/runDialog .js:250 info_launch_ default_ for_uri: No application is registered as handling this file"'
JS ERROR: !!! lineNumber = '0'
JS ERROR: !!! fileName = '"gjs_throw"'
JS ERROR: !!! stack = '"("Error invoking Gio.app_
("/bin/
([object _private_
"'
JS ERROR: !!! message = '"Error invoking Gio.app_