Fix: footer offset when orientation changes (#5396)
Fix: footer offset when orientation changes (#5396)

Fix: #5395
Frenzie/koreader,koreader/koreader,Markismus/koreader,mwoz123/koreader,Frenzie/koreader,koreader/koreader,NiLuJe/koreader,NiLuJe/koreader,poire-z/koreader,mihailim/koreader,Hzj-jie/koreader,poire-z/koreader,pazos/koreader