protected void setCategory(List<CategoryRecord> cats) {
		flags |= CATEGORIES_SET;
		if (cats == null || cats.size() == 0) {
			usercat = null;
			return;
		}
		usercat = cats;
		Collections.sort(usercat); // keep categories sorted, by type, then by category
	}
Set the ingest date of the executable
@param dt is the data, which may be null
Ghidra/Features/BSim/src/main/java/ghidra/features/bsim/query/description/ExecutableRecord.java