Ignore scroll command when msgstore is nil

Fixes ~sircmpwn/aerc2#205. Many functions do a nil check on the store,
so this changes Store() so it returns nil when msglist is nil.

It also places the Scroll() behind the nil check in the next-message command.

https://todo.sr.ht/~sircmpwn/aerc2/205

1 files changed, 2 insertions, 2 deletions

diff --git a/commands/account/next.go b/commands/account/next.go
index 7b1f230b..1ba4b1b6 100644
--- a/commands/account/next.go
+++ b/commands/account/next.go
@@ -65,14 +65,14 @@ func ExecuteNextPrevMessage(args []string, acct *widgets.AccountView, pct bool,
 		store := acct.Store()
 		if store != nil {
 			store.NextPrev(-n)
+			acct.Messages().Scroll()
 		}
-		acct.Messages().Scroll()
 	} else {
 		store := acct.Store()
 		if store != nil {
 			store.NextPrev(n)
+			acct.Messages().Scroll()
 		}
-		acct.Messages().Scroll()
 	}
 	return nil
 }