It looks like the problem starts in the desktop-icons extension and then affects the whole shell:

Jan 05 07:22:12 icelancet-MS-7C39 gnome-shell[1902]: JS ERROR: Error: incorrect grab helper pop
                                                     _popGrabHelper@resource:///org/gnome/shell/ui/grabHelper.js:26:15
                                                     _releaseModalGrab@resource:///org/gnome/shell/ui/grabHelper.js:224:9
                                                     ungrab@resource:///org/gnome/shell/ui/grabHelper.js:275:18
                                                     endRubberBand@/usr/share/gnome-shell/extensions/desktop-icons@csoriano/desktopManager.js:162:26
                                                     startRubberBand/this._stageReleaseEventId<@/usr/share/gnome-shell/extensions/desktop-icons@csoriano/desktopManager.js:118:18
Jan 05 07:22:12 icelancet-MS-7C39 gnome-shell[1902]: JS WARNING: [resource:///org/gnome/shell/ui/grabHelper.js 326]: reference to undefined property 0
Jan 05 07:22:12 icelancet-MS-7C39 gnome-shell[1902]: JS ERROR: TypeError: this._grabStack[i] is undefined
                                                     onCapturedEvent@resource:///org/gnome/shell/ui/grabHelper.js:326:27
                                                     _onCapturedEvent@resource:///org/gnome/shell/ui/grabHelper.js:13:23
Jan 05 07:22:13 icelancet-MS-7C39 gnome-shell[1902]: JS ERROR: TypeError: this._grabStack[i] is undefined
                                                     onCapturedEvent@resource:///org/gnome/shell/ui/grabHelper.js:326:27
                                                     _onCapturedEvent@resource:///org/gnome/shell/ui/grabHelper.js:13:23
Jan 05 07:22:14 icelancet-MS-7C39 gnome-shell[1902]: JS ERROR: TypeError: this._grabStack[i] is undefined
                                                     onCapturedEvent@resource:///org/gnome/shell/ui/grabHelper.js:326:27
                                                     _onCapturedEvent@resource:///org/gnome/shell/ui/grabHelper.js:13:23
Jan 05 07:22:26 icelancet-MS-7C39 gnome-shell[1902]: JS ERROR: TypeError: this._grabStack[i] is undefined
                                                     onCapturedEvent@resource:///org/gnome/shell/ui/grabHelper.js:326:27
                                                     _onCapturedEvent@resource:///org/gnome/shell/ui/grabHelper.js:13:23
Jan 05 07:22:26 icelancet-MS-7C39 gnome-shell[1902]: ../clutter/clutter/clutter-actor.c:10558: The clutter_actor_set_allocation() function can only be called from within the implementation of the ClutterActor::allocate() virtual function.
Jan 05 07:22:28 icelancet-MS-7C39 gnome-shell[1902]: JS ERROR: Exception in callback for signal: open-state-changed: Error: incorrect grab helper pop
                                                     _popGrabHelper@resource:///org/gnome/shell/ui/grabHelper.js:26:15
                                                     _releaseModalGrab@resource:///org/gnome/shell/ui/grabHelper.js:224:9
                                                     ungrab@resource:///org/gnome/shell/ui/grabHelper.js:275:18
                                                     _onMenuOpenState@resource:///org/gnome/shell/ui/popupMenu.js:1370:30
                                                     _emit@resource:///org/gnome/gjs/modules/core/_signals.js:133:47
                                                     close@resource:///org/gnome/shell/ui/popupMenu.js:954:14
                                                     open/this._systemModalOpenedId<@resource:///org/gnome/shell/ui/popupMenu.js:927:78
                                                     pushModal@resource:///org/gnome/shell/ui/modalDialog.js:222:28
                                                     open@resource:///org/gnome/shell/ui/modalDialog.js:157:19
                                                     OpenAsync@resource:///org/gnome/shell/ui/endSessionDialog.js:693:19
                                                     async*_handleMethodCall@resource:///org/gnome/gjs/modules/core/overrides/Gio.js:371:35
                                                     _wrapJSObject/<@resource:///org/gnome/gjs/modules/core/overrides/Gio.js:404:34
Jan 05 07:22:28 icelancet-MS-7C39 gnome-shell[1902]: endSessionDialog: No XDG_SESSION_ID, fetched from logind: 2
Jan 05 07:22:28 icelancet-MS-7C39 gnome-shell[1902]: JS ERROR: TypeError: grabHelper is undefined
                                                     _onCapturedEvent@resource:///org/gnome/shell/ui/grabHelper.js:13:5
Jan 05 07:22:28 icelancet-MS-7C39 gnome-shell[1902]: JS ERROR: TypeError: grabHelper is undefined
                                                     _onCapturedEvent@resource:///org/gnome/shell/ui/grabHelper.js:13:5
Jan 05 07:22:28 icelancet-MS-7C39 gnome-shell[1902]: JS ERROR: TypeError: grabHelper is undefined
                                                     _onCapturedEvent@resource:///org/gnome/shell/ui/grabHelper.js:13:5
Jan 05 07:22:28 icelancet-MS-7C39 gnome-shell[1902]: JS ERROR: TypeError: grabHelper is undefined
                                                     _onCapturedEvent@resource:///org/gnome/shell/ui/grabHelper.js:13:5
Jan 05 07:22:28 icelancet-MS-7C39 gnome-shell[1902]: JS ERROR: TypeError: grabHelper is undefined
                                                     _onCapturedEvent@resource:///org/gnome/shell/ui/grabHelper.js:13:5
Jan 05 07:22:28 icelancet-MS-7C39 gnome-shell[1902]: JS ERROR: TypeError: grabHelper is undefined
                                                     _onCapturedEvent@resource:///org/gnome/shell/ui/grabHelper.js:13:5