Will Taanit Esther Turn into a Chag Like the Other Fast Days?

We know that the 4 fast days (Tzom Gedalya, Asara B'taivat, Shiva Asar B'tamuv, Tisha B'av) will turn into Chagim during the days of Mashiach. What will happen to Taanit Esther?

Sources: 1) Rav Nevenzal-Yerushalayim B'moadeha p.160 2)Gemara Megilla 5a "Tisha B'av Akdumai" 3)Halichot Shlomo Moadim Laws of Taanit 13:1 4)ibid. Dvar Halacha 1 5) Nitai Gavriel 24:13 6)Piskai Teshuvot 686:note 6