Fix updating nav account/folder state

app/src/main/java/eu/faircode/email/AdapterNavAccount.java

@@ -195,7 +195,8 @@ public class AdapterNavAccount extends RecyclerView.Adapter<AdapterNavAccount.Vi
             return Objects.equals(a1.name, a2.name) &&
                     Objects.equals(a1.color, a2.color) &&
                     a1.unseen == a2.unseen &&
-                    Objects.equals(a1.state, a2.state);
+                    Objects.equals(a1.state, a2.state) &&
+                    Objects.equals(a1.last_connected, a2.last_connected);
         }
     }
 

app/src/main/java/eu/faircode/email/AdapterNavFolder.java

@@ -225,6 +225,7 @@ public class AdapterNavFolder extends RecyclerView.Adapter<AdapterNavFolder.View
                     Objects.equals(f1.accountColor, f2.accountColor) &&
                     Objects.equals(f1.state, f2.state) &&
                     Objects.equals(f1.sync_state, f2.sync_state) &&
+                    Objects.equals(f1.last_sync, f2.last_sync) &&
                     f1.unseen == f2.unseen &&
                     f1.operations == f2.operations &&
                     f1.executing == f2.executing);