Shaman Class Hall quests bugged

[Traccckk]

Wowhead quest link: https://www.wowhead.com/quest=42208/return-to-the-firelands
WoW Freakz quest link: https://www.wow-freakz.com/quest_helper.php?quest=42208&&name=return-to-the-firelands
Bug description: "Return To The Firelands" is 5/5 missions but appearing only 1 in missions
Proof: Completed 1/5 - https://imgur.com/a/DnaUe01.
the rest of 4 missions not available in upper portaion - https://imgur.com/a/037eYzw and not in lower portion https://imgur.com/a/2ZIIaC6

Its a 5/5 missions but unfortunately only 1/5 is doable rest of the 4 missions are not appearing in the missions list, already checked 3 to 4 times. Please fix so we can advance & complete the shaman questline.

[Xalao]

Confirmed, bugged. Only 1/5 the rest not showing up.

[Bubbledbeef]

Confirmed.

Proof: https://imgur.com/4wBLlOk