Fix misc 17 (#1392)

* Some cleanup on bgcheck waterbox y funcs

* Fix some typo/spelling

* EnFz_ApplyDamage match fixup

* Turn another sus construction into a switch

* Fixup comment on restoring MS as adult

* "doesnt, isnt" -> "doesn't, isn't"

* Hunt down whitespace at end of lines

* Format (clang-format does not like figs bug comment on bongo cutscene unskip sadge)

* Viewport z scale/translation: `0x1FF` -> `G_MAXZ/2` (see proman "9.7 Mixing CPU and SP Addresses", "12.7.6 Depth Source")

* static symbols: g -> s prefix

* Link young/old -> child/adult

* Fixups

* Get rid of signed vs unsigned comparison warning by changing room temps to s32

* waterbox search funcs consistency

* Revert "waterbox search funcs consistency"

This reverts commit 8f386e038f.

* `curWaterBox` -> `waterBox`

src/overlays/actors/ovl_En_Bom/z_en_bom.c

@@ -272,7 +272,7 @@ void EnBom_Update(Actor* thisx, PlayState* play2) {
             thisx->shape.rot.z = 0;
         } else {
             // if a lit stick touches the bomb, set timer to 100
-            // these bombs never have a timer over 70, so this isnt used
+            // these bombs never have a timer over 70, so this isn't used
             if ((this->timer > 100) && Player_IsBurningStickInRange(play, &thisx->world.pos, 30.0f, 50.0f)) {
                 this->timer = 100;
             }