UI: iOS: Tunnels list: Move the "On Demand" label to the right

Having that at the bottom makes it harder for iOS to get
the row height correctly.

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";
-"tunnelsListOnDemandActiveCellSubTitle" = "On-Demand is enabled";
+"tunnelListCaptionOnDemand" = "On Demand";
 
 // Tunnels list menu