Workspace's showErrorMessage, showWarningMessage, showInfoMessage look the same

When I try using something like this in an extension on Nova 11.8:

nova.workspace.showErrorMessage(ERROR!!!\n\n You failed! There is a serious problem with the this and that!);
nova.workspace.showWarningMessage(WARNING!!! Do not take candy from strangers!);
nova.workspace.showInformativeMessage(INFO!!! Your a nice person! I thought you should know that.);

All the message boxes look the same, there’s no difference in the appearance:

Screenshot 2024-02-25 at 10.47.12
Screenshot 2024-02-25 at 10.47.19
Screenshot 2024-02-25 at 10.47.26

Is this expected or should there be something like a red stop sign, or yellow exclamation mark on the error and warning window?

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