Personal preference, I suppose. I've seen names with vowels that don't make sense at all. They don't change the pronunciation. Carliea comes to mind. Why not Carlia? Or Kelsiie. Why not
Kelsey?
I'm sure Shanikca will get plenty of experience spelling out her name. OTOH, I've seen much, much worse.
"Darkness cannot drive out darkness; only light can do that. Hate cannot drive out hate; only love can do that." --
Martin Luther King, Jr.