API C ChatInfo.GetChannelShortcut

Needs summary.
 shortcut = C_ChatInfo.GetChannelShortcut(channelIndex)
 = C_ChatInfo.GetChannelShortcutForChannelID(channelID)
==Arguments==
===GetChannelShortcut===
:;channelIndex:
===GetChannelShortcutForChannelID===
:;channelID:
==Returns==
:;shortcut:
==Patch changes==