Move cheapest station label to Live Activity header

FuelBoard/AlertsView.swift

@@ -181,7 +181,7 @@ struct AlertsView: View {
 
                 Section {
                     Toggle("Live Activity", isOn: $liveActivityEnabled)
-                    Picker("Cheapest station", selection: $liveActivityFuel) {
+                    Picker("Fuel", selection: $liveActivityFuel) {
                         ForEach(FuelType.allCases) { fuel in
                             Text(fuel.displayName).tag(fuel)
                         }
@@ -193,7 +193,7 @@ struct AlertsView: View {
                         }
                     }
                 } header: {
-                    Text("Live Activity")
+                    Text("Cheapest station")
                 } footer: {
                     Text("Shows the cheapest station for the fuel and distance you pick here on the Lock Screen and Dynamic Island — independent of the Stations tab (choose Follow search to mirror its distance instead). Updates as you drive; tap to open directions. Live Activities can be disabled in System Settings → Live Activities.")
                 }