Trailing comment affecting `yamlfmt.Printer`

[prnvbn]

What steps did you take: I have the following Go program and YAML file. The Go file integrates with the ytt API and reads the ytt yaml file and just prints it put to standard output. I would expect the file to be printed out with no semantic differences. However, that is not the case!

• Go program that reads the file andd prints it to stdout

package main

import (
	"os"

	"carvel.dev/ytt/pkg/yamlfmt"
	"carvel.dev/ytt/pkg/yamlmeta"
)

func main() {
	bs, _:= os.ReadFile("example.yaml")
	docset, _:= yamlmeta.NewDocumentSetFromBytes(bs, yamlmeta.DocSetOpts{})
	printer := yamlfmt.NewPrinter(os.Stdout)
	printer.Print(docset)
}

• YAML file: I have provided a very minimal YAML file

hello: world
# test

What happened: I see the following in my standard out.

hello: world

# test
---

What did you expect: I expected the following in my stdout

hello: world

# test

Anything else you would like to add: I am pretty sure the trailing comment is causing this issue.

Environment:

• ytt version is v0.49.0. I have pasted my go.mod file below

module issue

go 1.22

toolchain go1.22.2

require carvel.dev/ytt v0.49.0

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