add actions forward decl header (#699)

* add actions forward decl header

* newline

* format

* remove existing fwd declares

* Headers

* replace COMPAT_MODE check

* flip

---------

Co-authored-by: Christian Semmler <mail@csemmler.com>

LEGO1/lego/legoomni/include/infocenter.h

@@ -1,6 +1,7 @@
 #ifndef INFOCENTER_H
 #define INFOCENTER_H
 
+#include "actionsfwd.h"
 #include "legogamestate.h"
 #include "legoworld.h"
 #include "mxrect32.h"
@@ -10,15 +11,6 @@ class InfocenterState;
 class MxStillPresenter;
 class LegoControlManagerEvent;
 
-namespace InfomainScript
-{
-#ifdef COMPAT_MODE
-enum Script : int;
-#else
-enum Script;
-#endif
-} // namespace InfomainScript
-
 // SIZE 0x18
 struct InfocenterMapEntry {
 	// FUNCTION: LEGO1 0x1006ec80