My Character has no way of getting the legendary Cloak because I accidently abandoned "An Unwelcome Visitor"

I had just returned to the game and had accidently deleted the quest “An Unwelcome Advisor” which is the beginning quest the Alliance start for the Black Empire campaign. I have tried completely relogging in and out to see if the quest will auto accept for me but I have no Luck. I tried talking to Anduin in stormwind but he is not there, Only Turalyon is on his Throne. I have also tried checking the Adventurer’s Journal but nothing is there for me to start the quest.

I am currently stuck with no way to start the Legendary Cloak questline and I do not know what to do to receive the quest back. Any help??

Might not help but there’s a few work around you might be able to try in the bug report forum

https://us.forums.blizzard.com/en/wow/t/an-unwelcome-advisor/681695

For some abandoning the quest “On whispered winds” put Anduin back, for some they used Party sync to phase the keep.