fix: make screenshoter always active for filemanager
fix: make screenshoter always active for filemanager

frankyifei/koreader,chihyang/koreader,poire-z/koreader,Frenzie/koreader,pazos/koreader,Hzj-jie/koreader,mihailim/koreader,NickSavage/koreader,houqp/koreader,koreader/koreader,lgeek/koreader,NiLuJe/koreader,robert00s/koreader,koreader/koreader,poire-z/koreader,apletnev/koreader,Markismus/koreader,NiLuJe/koreader,mwoz123/koreader,Frenzie/koreader