Updated map editor - Part 2

OpenRA PRs 20226, 21317 and 21318, but only partially.

Author: penev92

mods/example/chrome/chrome.yaml

@@ -378,3 +378,15 @@ dropdown-separators:
 
 separator:
 	Inherits: button
+
+# TODO: Fix the random numbers below.
+editor:
+	Inherits: ^Glyphs
+	Regions:
+		select: 34, 187, 16, 16
+		tiles: 0, 187, 16, 16
+		overlays: 17, 187, 16, 16
+		actors: 34, 68, 16, 16
+		tools: 136, 68, 16, 16
+		history: 136, 51, 16, 16
+		erase: 50, 187, 16, 16