_onCompositionend(e) {
        this.compositioning = false;

        // Trigger format
        const eventInitDict = { key: AutoNumericEnum.keyName.Space, which: '32', keyCode: '32' };
        const keypressEvent = new KeyboardEvent('keypress', eventInitDict);
        e.target.dispatchEvent(keypressEvent);
        const keyupEvent = new KeyboardEvent('keyup', eventInitDict);
        e.target.dispatchEvent(keyupEvent);
    }
Handler for 'compositionend' events.

@param {CompositionEvent} e
@private