async applyAnimationSetting() {
		let value = this.value.animation;
		if (value === "system") {
			const res = await new Promise((resolve, reject) => {
				system.getGlobalSetting("animator_duration_scale", resolve, reject);
			});
			if (res) value = "yes";
			else value = "no";
		}

		if (value === "yes") {
			app.classList.remove("no-animation");
		} else if (value === "no") {
			app.classList.add("no-animation");
		}
	}
Returns changed settings
@returns {Array<String>}