iris: [BUG] View: If errors are returned by the ViewRenderer - do not output a "half template"

Describe the bug I am currently using the latest version from the Master Branch. If I use a template with Jet that uses variables that are not present, an error is returned, but the template is already sent to the browser as far as it has come, this should be prevented.

To Reproduce We have tried with and without iris.WithResetOnFireErrorCode but without ctx.Record()

app.Get("/bug-test", func(ctx iris.Context) {
	ctx.ViewData("demo", "123")
	if err := ctx.View("bugtest.jet"); err != nil {
		ctx.StopWithText(iris.StatusInternalServerError, "Templates not rendered!")
	}
})

Expected behavior Only the StopWithText should returned or the OnAnyErrorCode should be triggered. Not the half rendered Template.

I would expect, if a ViewEngine throws an error, that there will be no normal output, even if the template system has already sent it to the output.

An alternative would be to document it more clearly, in connection with the ViewEngines.