Péter Magyar's party defeated anti-LGBTQ Viktor Orbán last month
Ruling issued days after voters outed Prime Minister Viktor Orbán
Anti-LGBTQ prime minister conceded defeat after polls closed
Anti-LGBTQ prime minister trailing ahead of April 12 vote
Country’s elections to take place on April 12
Participants defined Hungarian government's ban on public LGBTQ events
Budapest Pride scheduled to take place Saturday, despite ban
