Singer Halsey scored a small victory in her court battle with the former nanny she accused of being “intoxicated” around her son. According to court documents obtained by RadarOnline.com, a Los Angeles Superior Court judge granted a motion brought by Halsey demanding her ex-employee Ashley Funches show up for a deposition. The judge ruled that Ashley would be grilled under oath this month but declined to award Halsey her requested sanctions. As we first reported, Halsey claimed Ashley was deposed for one day, but they did not finish. She said they agreed the ex-employee would come back for ano…