Introduce z64pause_menu.h header (#1505)

* z64pause_menu.h

* move functions and variables

* Move PauseMenuPage

* move stuff that seems public to the new header

* KALEIDO_OVL_MAX

* bss

* review

* IS_PAUSED

* format

* add argument to pause macros

* Update include/z64pause_menu.h

Co-authored-by: Dragorn421 <Dragorn421@users.noreply.github.com>

* bss

* More IS_PAUSED I missed

* early returns

* bss

* empty commit to trigger GHA

* bss

* bss

* bss

* includes

* bss

---------

Co-authored-by: Dragorn421 <Dragorn421@users.noreply.github.com>

src/code/z_bgcheck.c

@@ -1,5 +1,5 @@
-#include "prevent_bss_reordering.h"
 #include "z64bgcheck.h"
+#include "global.h"
 
 #include "libc64/fixed_point.h"
 #include "libc64/sprintf.h"
@@ -8,8 +8,6 @@
 #include "vt.h"
 #include "z64actor.h"
 
-#include "overlays/kaleido_scope/ovl_kaleido_scope/z_kaleido_scope.h"
-
 #define DYNA_RAYCAST_FLOORS 1
 #define DYNA_RAYCAST_WALLS 2
 #define DYNA_RAYCAST_CEILINGS 4