Allow to enable Cartography at the start of a match.
Adds a checkbox to the game setup to allow players to have Cartography autoresearched from the start of the match.
Refs. https://wildfiregames.com/forum/topic/27265-theres-any-mod-so-you-can-see-what-your-allies-see-from-the-start.
Patch by: @Jammyjamjamman
Differential revision: https://code.wildfiregames.com/D4191
Reviewed by: @Angen
Comments by: @andy5995, @Langbart