Category name letter casing change not allowed when renaming (#8274)

(cherry picked from commit fb04401460e5a8418737f3f3cdd556e9061c35d4)

app/src/main/java/eu/kanade/domain/category/model/Category.kt

@@ -18,5 +18,5 @@ data class Category(
 }
 
 internal fun List<Category>.anyWithName(name: String): Boolean {
-    return any { name.equals(it.name, ignoreCase = true) }
+    return any { name == it.name }
 }