Misc. doc/cleanup 5 (#1096)

* `0` -> `CHEST_ANIM_SHORT` in `GET_ITEM` z_player macro

* fix typos in z_en_skj

Co-authored-by: Yanis42 <yalink88@gmail.com>

* `unkSkjStruct` -> `EnSkjUnkStruct`

* Use `EFFECT_SS_` enum in all `EffectSs_Spawn` calls

* Decimal for all `EffectSs_Spawn` priorities

* Use `OBJECT_INVALID` more

* `Object_IsLoaded` returns a boolean

* Add `@bug` in `DmaMgr_SendRequestImpl` about passing partially uninitialized struct

* Fix typo `forc_structure_alignment` -> "force"

* Move `CMD_F` to `z64cutscene_commands.h` since it is specifically for cutscene data

* Use `ALIGN16` macro more

* Use `ALIGN256` macro more

* Add `@bug` on two messed up 8-bytes-aligns

* Set `gSaveContext.nightFlag` to 0/1 instead of false/true

* Use `IS_DAY` macro more

* Run formatter

Co-authored-by: Yanis42 <yalink88@gmail.com>

include/command_macros_base.h

@@ -16,12 +16,6 @@
 
 #define CMD_W(a) (a)
 
-#ifdef __GNUC__
-#define CMD_F(a) {.f = (a)}
-#else
-#define CMD_F(a) {(a)}
-#endif
-
 #define CMD_PTR(a) (u32)(a)
 
 #endif

include/ultra64/types.h

@@ -30,7 +30,7 @@ typedef union {
         u16 intPart[4][4];
         u16 fracPart[4][4];
     };
-    long long int forc_structure_alignment;
+    long long int force_structure_alignment;
 } Mtx;
 
 typedef float MtxF_t[4][4];

include/z64cutscene_commands.h

@@ -4,6 +4,12 @@
 #include "command_macros_base.h"
 #include "z64cutscene.h"
 
+#ifdef __GNUC__
+#define CMD_F(a) {.f = (a)}
+#else
+#define CMD_F(a) {(a)}
+#endif
+
 /**
  * ARGS
  *   s32 totalEntries (e), s32 endFrame (n)