Dismiss lookup on success

Examples/xx-messenger/Sources/ContactFeature/ContactFeature.swift

@@ -184,6 +184,7 @@ public let contactReducer = Reducer<ContactState, ContactAction, ContactEnvironm
 
   case .lookup(.didLookup(let xxContact)):
     state.xxContact = xxContact
+    state.lookup = nil
     return .none
 
   case .sendRequestTapped:

Examples/xx-messenger/Tests/ContactFeatureTests/ContactFeatureTests.swift

@@ -145,6 +145,7 @@ final class ContactFeatureTests: XCTestCase {
 
     store.send(.lookup(.didLookup(contact))) {
       $0.xxContact = contact
+      $0.lookup = nil
     }
   }