Revert "Remove training card window"

This reverts commit 363b50c9c2.

utilities/Globals.cpp

@@ -787,6 +787,12 @@ bool global_settings::ConfigParseUI(cParser& Parser, const std::string& token)
         return true;
     }
 
+    if (token == "gui.trainingdefault")
+    {
+        ParseOne(Parser, gui_trainingdefault, 1);
+        return true;
+    }
+
     return false;
 }
 

utilities/Globals.h

@@ -245,6 +245,7 @@ struct global_settings {
 	bool crash_damage = true;
 	bool gui_defaultwindows = true;
 	bool gui_showtranscripts = true;
+    bool gui_trainingdefault = false;
 
 	std::string extcam_cmd;
 	std::string extcam_rec;