That was surprisingly quick, but I'm definitely not complaining.
Shortly after my last reply, the deviantART staff acknowledged their mistake and restored my deviations! You can once again view them in my gallery as if they were never removed.
According to the staff member, my works were mistaken for edits of actual sprites due to being reported along with a large number of actual violations. Although they should have verified the reports more closely, the administrators are also human.
Once again, I thank everyone who supported me during my efforts to resolve the issue. And despite the inconvenience, I'm also glad to see that we can count