Fixed glitch when going in/out of pokeball a lot

Before this fix, if the follower did their into/out of pokeball animation enough times without the map being reloaded, both the follower and the sparkle sprites would start to glitch out a lot. This fixes that.

src/event_object_movement.c

@@ -10445,6 +10445,7 @@ u8 MovementAction_FollowingPokemon_Shrink_Step1(struct ObjectEvent *objectEvent,
     
     if (sprite->data[7] >= 11)
     {
+        FreeSpriteOamMatrix(sprite);
         gObjectEvents[gPlayerAvatar.objectEventId].fixedPriority = FALSE;
         objectEvent->invisible = TRUE;
         sprite->data[2]++;
@@ -10571,8 +10572,8 @@ u8 MovementAction_FollowingPokemon_Grow_Step1(struct ObjectEvent *objectEvent, s
             sprite->y2 = 0;
         }
         
+        FreeSpriteOamMatrix(sprite);
         sprite->data[2]++;
-        sprite->oam.affineMode = 0;
     }
     
     return FALSE;