Add 'didUpdate' subjects in managers

objectWillChange may not work outside SwiftUI.

- ProfileManager.didUpdateProfiles

- ProviderManager.didUpdateProviders

PassepartoutLibrary/Sources/PassepartoutCore/Managers/ProfileManager.swift

@@ -33,6 +33,8 @@ public protocol ProfileManager {
 
     var currentProfileId: UUID? { get set }
     
+    var didUpdateProfiles: PassthroughSubject<Void, Never> { get }
+
     var didUpdateActiveProfile: PassthroughSubject<UUID?, Never> { get }
 
     var didCreateProfile: PassthroughSubject<Profile, Never> { get }

PassepartoutLibrary/Sources/PassepartoutCore/Managers/ProviderManager.swift

@@ -27,6 +27,8 @@ import Foundation
 import Combine
 
 public protocol ProviderManager {
+    var didUpdateProviders: PassthroughSubject<Void, Never> { get }
+
     func allProviders() -> [ProviderMetadata]
     
     func provider(withName name: ProviderName) -> ProviderMetadata?

PassepartoutLibrary/Sources/PassepartoutProfiles/Managers/DefaultProfileManager.swift

@@ -79,6 +79,8 @@ public class DefaultProfileManager: ProfileManagerWithCurrentProfile, Observable
 
     public let currentProfile: ObservableProfile
     
+    public let didUpdateProfiles = PassthroughSubject<Void, Never>()
+
     public let didUpdateActiveProfile = PassthroughSubject<UUID?, Never>()
 
     public let didCreateProfile = PassthroughSubject<Profile, Never>()
@@ -330,6 +332,8 @@ extension DefaultProfileManager {
             self.activeProfileId = nil
         }
         
+        didUpdateProfiles.send()
+
         // IMPORTANT: defer task to avoid recursive saves
         // FIXME: Core Data, not sure about this workaround
         Task {

PassepartoutLibrary/Sources/PassepartoutProviders/Managers/DefaultProviderManager.swift

@@ -44,6 +44,8 @@ public class DefaultProviderManager: ProviderManager, ObservableObject, RateLimi
 
     private let serverRepository: ServerRepository
 
+    public let didUpdateProviders = PassthroughSubject<Void, Never>()
+
     public init(appBuild: Int, bundleServices: WebServices, webServices: WebServices, persistence: Persistence) {
         self.appBuild = appBuild
         self.bundleServices = bundleServices
@@ -118,6 +120,8 @@ public class DefaultProviderManager: ProviderManager, ObservableObject, RateLimi
             .tryMap { index in
                 self.saveLastAction(self.indexActionName)
                 try self.providerRepository.mergeIndex(index)
+
+                self.didUpdateProviders.send()
             }.eraseToAnyPublisher()
     }
     
@@ -167,6 +171,8 @@ public class DefaultProviderManager: ProviderManager, ObservableObject, RateLimi
                         vpnProtocol: vpnProtocol,
                         lastUpdate: pub.lastModified ?? Date()
                     )
+
+                    self.didUpdateProviders.send()
                 } catch {
                     pp_log.error("Unable to persist \(providerName) infrastructure (\(vpnProtocol)): \(error)")
                 }
@@ -178,6 +184,8 @@ public class DefaultProviderManager: ProviderManager, ObservableObject, RateLimi
     
     public func reset() {
         persistence.truncate()
+
+        didUpdateProviders.send()
     }
 
     // MARK: RateLimited