* Compile dropdown now just contains a checkbox for enabling live coding.
* Compile dropdown has a link to open the editor preferences window.
* Live coding can be enabled from the editor settings window.
* Option to show the console on startup is now folded into the startup mode.
* Options in the editor settings window are greyed out unless live coding is enabled.
#rb none
#jira
#ROBOMERGE-OWNER: robert.manuszewski
#ROBOMERGE-AUTHOR: ben.marsh
#ROBOMERGE-SOURCE: CL 5352692 in //UE4/Release-4.22/... via CL 5364901
#ROBOMERGE-BOT: CORE (Main -> Dev-Core)
[CL 5424743 by ben marsh in Dev-Core branch]