Fix user not loading on transaction details

Twigs/User/UserDataStore.swift

@@ -10,21 +10,18 @@ import Foundation
 import Combine
 
 class UserDataStore: ObservableObject {
-    
-    var user: Result<User, NetworkError> = .failure(.loading) {
-        didSet {
-            self.objectWillChange.send()
-        }
-    }
+    private var currentRequest: AnyCancellable? = nil
+    @Published var user: Result<User, NetworkError> = .failure(.loading)
 
     func getUser(_ id: String) {
         self.user = .failure(.loading)
         
-        _ = userRepository.getUser(id)
+        self.currentRequest = userRepository.getUser(id)
         .receive(on: DispatchQueue.main)
         .sink(receiveCompletion: { (status) in
             switch status {
             case .finished:
+                self.currentRequest = nil
                 return
             case .failure(let error):
                 self.user = .failure(error)
@@ -36,11 +33,9 @@ class UserDataStore: ObservableObject {
 
     }
     
+    private let userRepository: UserRepository
+    
     init(_ userRepository: UserRepository) {
         self.userRepository = userRepository
     }
-    
-    // Needed since the default implementation is currently broken
-    let objectWillChange = ObservableObjectPublisher()
-    private let userRepository: UserRepository
 }