Mapped reload to X_BUTTON.

Introduce `JO_ACTION*` constants to use `player.bondreloadoractivate` as a bit
field.

Deviation from vanilla Mouse Injector behavior: hard seperation between
reload and activate. `B` will not reload just as `ALT1` will not
activate.

src/include/constants.h

@@ -4615,3 +4615,6 @@ enum weaponnum {
 #define BODY_DARK_NEGOTIATOR  0x96
 
 #endif
+
+#define JO_ACTION_ACTIVATE           0x0001
+#define JO_ACTION_RELOAD             0x0002

src/include/types.h

@@ -5302,6 +5302,7 @@ struct movedata {
 	/*    */ f32 freelookdx; // how much the mouse moved ...
 	/*    */ f32 freelookdy; // ... in normalized window coordinates
 #endif
+	/*0xac*/ s32 alt1tapcount;
 };
 
 struct attackanimgroup {