Clear Dynamax data when a battler faints (#4672)

* Update battle_main.c

Now clears dynamax data when a battler faints

* Update battle_main.c

Actually call the helper function instead of only doing half of what it does.

* Added new line before return

Co-authored-by: Alex <93446519+AlexOn1ine@users.noreply.github.com>

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Co-authored-by: Alex <93446519+AlexOn1ine@users.noreply.github.com>

src/battle_main.c

@@ -3718,6 +3718,9 @@ const u8* FaintClearSetData(u32 battler)
     gBattleStruct->zmove.active = FALSE;
     gBattleStruct->zmove.toBeUsed[battler] = MOVE_NONE;
     gBattleStruct->zmove.effect = EFFECT_HIT;
+    // Clear Dynamax data
+    UndoDynamax(battler);
+    
     return result;
 }