cleanup: Fix missing/stray spaces

Those are wrong according to our style guidelines, but the previous
eslint ruleset didn't catch them.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/805

js/misc/ibusManager.js

@@ -142,7 +142,7 @@ var IBusManager = class {
             });
             this._panelService.connect('focus-in', (panel, path) => {
                 if (!GLib.str_has_suffix(path, '/InputContext_1'))
-                    this.emit ('focus-in');
+                    this.emit('focus-in');
             });
             this._panelService.connect('focus-out', () => this.emit('focus-out'));