cleanup: Remove spaces in object literals

We only adopted this style relatively recently, so there's a bit
more to adjust. Still, it's manageable and another step towards
getting rid of the legacy style.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2866>

js/misc/ibusManager.js

@@ -221,7 +221,7 @@ class IBusManager extends Signals.EventEmitter {
         this._candidatePopup.setPanelService(this._panelService);
         this._panelService.connect('update-property', this._updateProperty.bind(this));
         this._panelService.connect('set-cursor-location', (ps, x, y, w, h) => {
-            let cursorLocation = { x, y, width: w, height: h };
+            let cursorLocation = {x, y, width: w, height: h};
             this.emit('set-cursor-location', cursorLocation);
         });
         this._panelService.connect('focus-in', (panel, path) => {