As you requested, here are pics of my nuts.
Uh...
Pics of my guitar nuts.
There really should not be excess glue visible, but it will not affect the sound of the guitar.
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Your guitar is not a roasted maple neck sealed guitar, yours is a Majesty different guitars and builds entirely.
That nut looks like every nut I saw on the limited black sugar roasted ample neck guitars.
My black sugar has the same glue and appearance ... its normal. Not a big deal.