UI: iOS: Show "on-demand is active" for tunnels with the active on-demand

Signed-off-by: Andrej Mihajlov <and@mullvad.net>
Signed-off-by: Roopesh Chander <roop@roopc.net>

Sources/WireGuardApp/Base.lproj/Localizable.strings

@@ -17,7 +17,7 @@
 "tunnelsListSelectAllButtonTitle" = "Select All";
 "tunnelsListDeleteButtonTitle" = "Delete";
 "tunnelsListSelectedTitle (%d)" = "%d selected";
-"tunnelListCaptionOnDemand" = "On Demand";
+"tunnelsListOnDemandActiveCellSubTitle" = "On-Demand is enabled";
 
 // Tunnels list menu