raidboss: keep p4s thorn count on screen (#4041)
raidboss: keep p4s thorn count on screen (#4041)

```
-0.3 "Fleeting Impulse" sync / 1[56]:[^:]*:Hesperos:6EB8:/
0.0 "Fleeting Impulse" sync / 1[56]:[^:]*:Hesperos:6A1C:/
1.5 "Fleeting Impulse" sync / 1[56]:[^:]*:Hesperos:6A1C:/
2.8 "Fleeting Impulse" sync / 1[56]:[^:]*:Hesperos:6A1C:/
4.1 "Fleeting Impulse" sync / 1[56]:[^:]*:Hesperos:6A1C:/
5.4 "Fleeting Impulse" sync / 1[56]:[^:]*:Hesperos:6A1C:/
6.8 "Fleeting Impulse" sync / 1[56]:[^:]*:Hesperos:6A1C:/
8.1 "Fleeting Impulse" sync / 1[56]:[^:]*:Hesperos:6A1C:/
9.5 "Fleeting Impulse" sync / 1[56]:[^:]*:Hesperos:6A1C:/
19.2 "Wreath of Thorns" sync / 1[56]:[^:]*:Hesperos:6A35:/
22.3 "Hemitheos's Thunder III" sync / 1[56]:[^:]*:Hesperos:6A0E:/
23.5 "Hemitheos's Thunder III" sync / 1[56]:[^:]*:Hesperos:6A0E:/
24.7 "Hemitheos's Thunder III" sync / 1[56]:[^:]*:Hesperos:6A0E:/
25.9 "Hemitheos's Thunder III" sync / 1[56]:[^:]*:Hesperos:6A0E:/
27.1 "Hemitheos's Thunder III" sync / 1[56]:[^:]*:Hesperos:6A0E:/
28.3 "Hemitheos's Thunder III" sync / 1[56]:[^:]*:Hesperos:6A0E:/
29.5 "Hemitheos's Thunder III" sync / 1[56]:[^:]*:Hesperos:6A0E:/
30.7 "Hemitheos's Thunder III" sync / 1[56]:[^:]*:Hesperos:6A0E:/
```
quisquous/cactbot,quisquous/cactbot,quisquous/cactbot,quisquous/cactbot,quisquous/cactbot,quisquous/cactbot