Add maplist filter for maps that come with triggerscripts. Patch by fabio and Stan, refs #3013.

This was SVN commit r18179.

binaries/data/mods/public/gui/gamesetup/gamesetup.js

@@ -78,6 +78,11 @@ const g_MapFilters = [
 		"name": translate("Demo Maps"),
 		"filter": mapKeywords => mapKeywords.indexOf("demo") != -1
 	},
+	{
+		"id": "trigger",
+		"name": translate("Trigger Maps"),
+		"filter": mapKeywords => mapKeywords.indexOf("trigger") != -1
+	},
 	{
 		"id": "all",
 		"name": translate("All Maps"),

binaries/data/mods/public/maps/random/survivalofthefittest.json

@@ -5,6 +5,7 @@
 		"Description" : "[color=\"red\"]IMPORTANT NOTE: AI PLAYERS DO NOT WORK WITH THIS MAP[/color]\n\nProtect your base against endless waves of enemies. Use your woman citizen to collect the treasures at the center of the map before others do, and try to build your base up. The last player remaining will be the winner!",
 		"BaseTerrain" : ["medit_sea_depths"],
 		"BaseHeight" : 30,
+		"Keywords": ["trigger"],
 		"Preview" : "survivalofthefittest.png",
 		"CircularMap" : true,
 		"TriggerScripts": [