Update in-memory following/blocking states upon (un)follow/block action (IOS-140)

Mastodon/Protocol/Provider/DataSourceFacade+Block.swift

@@ -28,5 +28,6 @@ extension DataSourceFacade {
         try await dependency.context.apiService.getBlocked(
             authenticationBox: authBox
         )
+        dependency.context.authenticationService.fetchFollowingAndBlockedAsync()
     }   // end func
 }

Mastodon/Protocol/Provider/DataSourceFacade+Follow.swift

@@ -24,6 +24,7 @@ extension DataSourceFacade {
             user: user,
             authenticationBox: dependency.authContext.mastodonAuthenticationBox
         )
+        dependency.context.authenticationService.fetchFollowingAndBlockedAsync()
     }   // end func
 }
 

MastodonSDK/Sources/MastodonCore/Service/AuthenticationService.swift

@@ -67,6 +67,16 @@ public final class AuthenticationService: NSObject {
         return (ids, maxID)
     }
     
+    public func fetchFollowingAndBlockedAsync() {
+        /// we're dispatching this as a separate async call to not block the callee
+        Task {
+            for authBox in mastodonAuthenticationBoxes {
+                do { try await fetchFollowedBlockedUserIds(authBox) }
+                catch {}
+            }
+        }
+    }
+    
     public let updateActiveUserAccountPublisher = PassthroughSubject<Void, Never>()
 
     init(