Fix infinity pp

[acrylic-style]

Fixes infinity pp on https://osu.ppy.sh/osu/285777

Before

# curl https://osu.ppy.sh/osu/285777 | node example.js
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  4598    0  4598    0     0  20711      0 --:--:-- --:--:-- --:--:-- 20711
Baek Ji-young - After a Long Time [(??? - ?? ???)scanter's Easy] mapped by Sonnyc

AR3 OD2 CS3 HP2
18 circles, 27 sliders, 2 spinners
100 max combo

125799483377065.81 stars (83865775270331.33 aim, 1640943137.64 speed)
100.00% 0x100 0x50 0xmiss
100/100x
2.5346889634798933e+42 pp (2.263115145964179e+42 aim, 1.6460155589193313e+28 speed, 1.96 acc)

After

# curl https://osu.ppy.sh/osu/285777 | node example.js
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  4598    0  4598    0     0  19733      0 --:--:-- --:--:-- --:--:-- 19733
Baek Ji-young - After a Long Time [(??? - ?? ???)scanter's Easy] mapped by Sonnyc

AR3 OD2 CS3 HP2
18 circles, 27 sliders, 2 spinners
100 max combo

1.32 stars (0.70 aim, 0.53 speed)
100.00% 0x100 0x50 0xmiss
100/100x
3.53 pp (1.06 aim, 0.41 speed, 1.96 acc)