Split up connection refresh with Future.delays to reduce jank

lib/di_initialization.dart

@@ -129,7 +129,7 @@ Future<void> dependencyInjectionInitialization() async {
 Future<void> updateProfileDependencyInjectors(Profile profile) async {
   final objectBox = await ObjectBoxCache.create(
     baseDir: 'profileboxcaches',
-    subDir: '${profile.id}_${profile.serverName}',
+    subDir: profile.id,
   );
   final connectionReposSelector =
       getIt<ActiveProfileSelector<IConnectionsRepo>>();

lib/services/connections_manager.dart

@@ -53,9 +53,13 @@ class ConnectionsManager extends ChangeNotifier {
         );
   }
 
-  bool upsertAllConnections(Iterable<Connection> newConnections) {
+  Future<bool> upsertAllConnections(Iterable<Connection> newConnections) async {
-    newConnections.forEach(upsertConnection);
+    var result = true;
-    return true;
+    for (var c in newConnections) {
+      result &= await Future.delayed(Duration.zero, () => upsertConnection(c));
+    }
+
+    return result;
   }
 
   Future<void> acceptFollowRequest(Connection connection) async {
@@ -178,6 +182,7 @@ class ConnectionsManager extends ChangeNotifier {
       }, onError: (error) {
         _logger.severe('Error getting followers data: $error');
       });
+      await Future.delayed(Duration.zero);
     }
 
     moreResults = true;
@@ -201,6 +206,7 @@ class ConnectionsManager extends ChangeNotifier {
       }, onError: (error) {
         _logger.severe('Error getting followers data: $error');
       });
+      await Future.delayed(Duration.zero);
     }
 
     for (final noLongerFollowed in originalContacts) {