[fix] Close calibre search when opening document (#4978)
[fix] Close calibre search when opening document (#4978)

Fixes https://github.com/koreader/koreader/issues/4225.
Frenzie/koreader,Hzj-jie/koreader,NiLuJe/koreader,NiLuJe/koreader,Frenzie/koreader,Markismus/koreader,mwoz123/koreader,mihailim/koreader,koreader/koreader,pazos/koreader,koreader/koreader,poire-z/koreader,poire-z/koreader