Use PlayState instead of GlobalContext (#1927)

* Use PlayState instead of GlobalContext
- GlobalContext -> PlayState
- globalCtx -> play
- GlobalCtx -> PlayState
- globalContext -> playState

* Find and replace Gameplay_ with Play_

* Correct some misnamed argument cases

soh/src/code/sys_math3d.c

@@ -2147,8 +2147,8 @@ s32 Math3D_YZInSphere(Sphere16* sphere, f32 y, f32 z) {
     return false;
 }
 
-void Math3D_DrawSphere(GlobalContext* globalCtx, Sphere16* sph) {
+void Math3D_DrawSphere(PlayState* play, Sphere16* sph) {
 }
 
-void Math3D_DrawCylinder(GlobalContext* globalCtx, Cylinder16* cyl) {
+void Math3D_DrawCylinder(PlayState* play, Cylinder16* cyl) {
 }