refactor: Optimistic state update when removing all finished jobs

lib/logic/bloc/server_jobs/server_jobs_bloc.dart

@@ -61,16 +61,7 @@ class ServerJobsBloc extends Bloc<ServerJobsEvent, ServerJobsState> {
     final RemoveAllFinishedJobs event,
     final Emitter<ServerJobsState> emit,
   ) async {
-    final List<ServerJob> finishedJobs = state.serverJobList
+    await getIt<ApiConnectionRepository>().removeAllFinishedServerJobs();
-        .where(
-          (final ServerJob job) =>
-              job.status == JobStatusEnum.finished ||
-              job.status == JobStatusEnum.error,
-        )
-        .toList();
-    for (final ServerJob job in finishedJobs) {
-      await getIt<ApiConnectionRepository>().removeServerJob(job.uid);
-    }
   }
 
   @override

lib/logic/get_it/api_connection_repository.dart

@@ -42,6 +42,29 @@ class ApiConnectionRepository {
     _dataStream.add(_apiData);
   }
 
+  Future<void> removeAllFinishedServerJobs() async {
+    final List<ServerJob> finishedJobs = _apiData.serverJobs.data
+            ?.where(
+              (final ServerJob element) =>
+                  element.status == JobStatusEnum.finished ||
+                  element.status == JobStatusEnum.error,
+            )
+            .toList() ??
+        [];
+    // Optimistically remove the jobs from the list
+    _apiData.serverJobs.data?.removeWhere(
+      (final ServerJob element) =>
+          element.status == JobStatusEnum.finished ||
+          element.status == JobStatusEnum.error,
+    );
+    _dataStream.add(_apiData);
+
+    await Future.forEach<ServerJob>(
+      finishedJobs,
+      (final ServerJob job) async => removeServerJob(job.uid),
+    );
+  }
+
   void dispose() {
     _dataStream.close();
     _connectionStatusStream.close();