Custom
constructor(sendingMessageProgressIndicator: Color? = null, linearProgressIndicator: Color? = null, progressIndicatorOnButton: Color? = null, sendMessageIcon: Color? = null, attachFileTrailingIcon: Color? = null, selectImageIcon: Color? = null, selectFileIcon: Color? = null, downloadIcon: Color? = null, iconOnButton: Color? = null, @DrawableRes botIcon: Int? = null, @DrawableRes agentIcon: Int? = null, @DrawableRes businessIcon: Int? = null)