#jira OPP-3723
#jira FORT-14720
Merging //depot/UE4-LauncherDev/Engine/Source/Developer/FriendsAndChat/Private/Layers/Domain/MessageService.cpp to //depot/UE4/Engine/Source/Developer/FriendsAndChat/Private/Layers/Domain/MessageService.cpp
[CL 2685307 by Eric Newman in Main branch]
//depot/UE4-Orion/Engine/Source/Developer/FriendsAndChat/...
to //depot/UE4/Engine/Source/Developer/FriendsAndChat/...
[CL 2682562 by Antony Carter in Main branch]
Fixes an issue where public FriendsAndChat API was referencing internal MCP APIs
#codereview nicholas.davies
[CL 2678635 by Eric Newman in Main branch]
//depot/UE4-Orion/Engine/Source/Developer/FriendsAndChat/Public/FriendsComboStyle.h
to //depot/UE4/Engine/Source/Developer/FriendsAndChat/Public/FriendsComboStyle.h
[CL 2664196 by Antony Carter in Main branch]
Launcher will now join the Fortnite global chat channel used by DevTesting in GameDev
Updated Fortnite to match global chat changes
Reapplied fix to avoid warning spam about joining global chat when already in global chat
#jira FORT-13435
#rb nicholas.davies
#codereview nicholas.davies
[CL 2656081 by Eric Newman in Main branch]
//depot/UE4-Fortnite/Engine/Source/Runtime/Online/NotForLicensees/OnlineSubsystemMcp/Private/OnlinePresenceMcp.cpp
to //depot/UE4/Engine/Source/Runtime/Online/NotForLicensees/OnlineSubsystemMcp/Private/OnlinePresenceMcp.cpp
[CL 2654844 by Antony Carter in Main branch]