dismiss relay config on timeline change

damus/Views/Relays/RelayConfigView.swift

@@ -13,6 +13,8 @@ struct RelayConfigView: View {
     @State var show_add_relay: Bool = false
     @State var relays: [RelayDescriptor]
     
+    @Environment(\.dismiss) var dismiss
+    
     init(state: DamusState) {
         self.state = state
         _relays = State(initialValue: state.pool.descriptors)
@@ -33,6 +35,9 @@ struct RelayConfigView: View {
         .onReceive(handle_notify(.relays_changed)) { _ in
             self.relays = state.pool.descriptors
         }
+        .onReceive(handle_notify(.switched_timeline)) { _ in
+            dismiss()
+        }
         .sheet(isPresented: $show_add_relay) {
             AddRelayView(show_add_relay: $show_add_relay, relay: $new_relay) { m_relay in
                 guard var relay = m_relay else {