callbackQueue is not used in WebSocketTransport

[RolandasRazma]

Bug report

apollo-ios/Sources/ApolloWebSocket/WebSocketTransport.swift

Line 361 in 185d6b7

callbackQueue: DispatchQueue = .main,

callbackQueue is unused

Versions

Please fill in the versions you're currently using:

• apollo-ios SDK version: 0.36.0

Steps to reproduce

subscribe using any callbackQueue, callback is done on some internal one

[designatednerd]

Welp, that's embarrassing. Fix is up in #1507.

[RolandasRazma]

thanks

[designatednerd]

Thank YOU for catching it