Do not re-save profiles on (de)activate

Only service JSON is affected.

Passepartout-iOS/AppDelegate.swift

@@ -57,7 +57,7 @@ class AppDelegate: UIResponder, UIApplicationDelegate, UISplitViewControllerDele
     func applicationWillResignActive(_ application: UIApplication) {
         // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
         // Use this method to pause ongoing tasks, disable timers, and invalidate graphics rendering callbacks. Games should use this method to pause the game.
-        TransientStore.shared.serialize() // synchronize
+        TransientStore.shared.serialize(withProfiles: true) // synchronize
     }
 
     func applicationDidEnterBackground(_ application: UIApplication) {

Passepartout-iOS/Scenes/Organizer/OrganizerViewController.swift

@@ -421,7 +421,7 @@ extension OrganizerViewController {
 
 extension OrganizerViewController: ConnectionServiceDelegate {
     func connectionService(didAdd profile: ConnectionProfile) {
-        TransientStore.shared.serialize() // add
+        TransientStore.shared.serialize(withProfiles: true) // add
         
         reloadModel()
         tableView.reloadData()
@@ -444,14 +444,14 @@ extension OrganizerViewController: ConnectionServiceDelegate {
     }
     
     func connectionService(didRename oldProfile: ConnectionProfile, to newProfile: ConnectionProfile) {
-        TransientStore.shared.serialize() // rename
+        TransientStore.shared.serialize(withProfiles: true) // rename
 
         reloadModel()
         tableView.reloadData()
     }
     
     func connectionService(didRemoveProfileWithKey key: ConnectionService.ProfileKey) {
-        TransientStore.shared.serialize() // delete
+        TransientStore.shared.serialize(withProfiles: true) // delete
 
         splitViewController?.serviceViewController?.hideProfileIfDeleted()
     }
@@ -459,13 +459,13 @@ extension OrganizerViewController: ConnectionServiceDelegate {
     // XXX: deactivate + activate leads to a redundant serialization
     
     func connectionService(willDeactivate profile: ConnectionProfile) {
-        TransientStore.shared.serialize() // deactivate
+        TransientStore.shared.serialize(withProfiles: false) // deactivate
 
         tableView.reloadData()
     }
     
     func connectionService(didActivate profile: ConnectionProfile) {
-        TransientStore.shared.serialize() // activate
+        TransientStore.shared.serialize(withProfiles: false) // activate
 
         tableView.reloadData()
     }

Passepartout/Sources/Model/TransientStore.swift

@@ -77,8 +77,10 @@ class TransientStore {
         }
     }
     
-    func serialize() {
+    func serialize(withProfiles: Bool) {
         try? JSONEncoder().encode(service).write(to: TransientStore.serviceURL)
-        service.saveProfiles()
+        if withProfiles {
+            service.saveProfiles()
+        }
     }
 }