StoryGraph quest and dialog editor for unreal engine

[Pirate_Tony]

@Deema_35;659495

I have fixed this bugs. But can you chack this. Because I work on windows and I do not have those bugs.

On macos compile successful. I’ve sent pull request with binaries who doesn’t have dev.acc./xcode on mac.
Tested on 4.15 Preview 4 as well.