Fix remarkable pen input (#6031)
Fix remarkable pen input (#6031)

fixes #6030
poire-z/koreader,koreader/koreader,Frenzie/koreader,Hzj-jie/koreader,Markismus/koreader,Frenzie/koreader,pazos/koreader,poire-z/koreader,koreader/koreader,NiLuJe/koreader,NiLuJe/koreader,mwoz123/koreader