exp: add menu item to toggle in-game entity trace

fix #285

Misc/qs_pak/scripts/expmode_edicts.lua

@@ -73,6 +73,7 @@ local window <const> = expmode.window
 local ghost <const> = player.ghost
 local setpos <const> = player.setpos
 local traceentity <const> = player.traceentity
+local IngameEntityTrace <const> = player.ingameentitytrace
 
 local localize <const> = text.localize
 local toascii <const> = text.toascii
@@ -625,10 +626,18 @@ addaction(function ()
 			expmode.edicts.nearbyentity()
 		end
 
+		imSeparator()
+
 		if imMenuItem('Trace Entity\u{85}') then
 			expmode.edicts.traceentity()
 		end
 
+		local ingametrace = IngameEntityTrace()
+
+		if imMenuItem('In-game Entity Trace', nil, ingametrace) then
+			IngameEntityTrace(not ingametrace)
+		end
+
 		imEndMenu()
 	end
 end)