src/vs/workbench/browser/parts/activitybar/activitybarPart.ts/ActivitybarPart/toggleProfilesActivityAction
class ActivitybarPart:	private toggleProfilesActivityAction() {
		if (!!this.profilesActivityAction === this.profilesVisibilityPreference) {
			return;
		}
		if (this.globalActivityActionBar) {
			if (this.profilesActivityAction) {
				this.globalActivityActionBar.pull(this.globalActivityActionBar.length() - 1);
				this.profilesActivityAction = undefined;
			} else {
				this.globalActivityActionBar.push(this.profilesActivityAction = new ActivityAction(this.createProfilesActivity()));
			}
		}
	}