Fix JUT_ASSERT and several other macros (#2711)

* Fix JUT_ASSERT to be a nested define

* Switch names that appear in asserts to be constants instead of defines

* Replace `0` in asserts with `NULL` or `FALSE`

* Fix fpclassify

* Fix ARRAY_SIZE

* Use G_CM3D_F_INF

* More fixes for fpclassify

* Remove FLOAT_LABEL

* Remove incorrect FLAG_ON macro

* Remove UNK_BSS macro

* Silence clangd unused header warning for PCH

src/f_pc/f_pc_deletor.cpp

@@ -80,7 +80,7 @@ s32 fpcDt_ToDeleteQ(base_process_class* i_proc) {
         layer_class* layer = &((process_node_class*)i_proc)->layer;
         
         if (fpcLy_Cancel(layer) == 0) {
-            JUT_ASSERT(196, 0);
+            JUT_ASSERT(196, FALSE);
         }
 
         if (fpcLyIt_OnlyHereLY(layer, (fpcLyIt_OnlyHereFunc)fpcDt_ToDeleteQ, NULL) == 0)

src/f_pc/f_pc_manager.cpp

@@ -66,11 +66,11 @@ void fpcM_Management(fpcM_ManagementFunc i_preExecuteFn, fpcM_ManagementFunc i_p
             }
 
             if (!fpcPi_Handler()) {
-                JUT_ASSERT(353, 0);
+                JUT_ASSERT(353, FALSE);
             }
 
             if (!fpcCt_Handler()) {
-                JUT_ASSERT(357, 0);
+                JUT_ASSERT(357, FALSE);
             }
 
             if (i_preExecuteFn != NULL) {