[Fix] Send score to platform

Author: SebastienTainon

frontend/submission/task_submission.tsx

@@ -1,11 +1,7 @@
-import {apply, call, cancel, cancelled, fork, put, race, spawn} from "typed-redux-saga";
+import {apply, call, cancel, cancelled, fork, put, race} from "typed-redux-saga";
 import {ActionTypes as StepperActionTypes, stepperDisplayError} from "../stepper/actionTypes";
 import log from "loglevel";
-import {
-    getNextLevelIndex,
-    PlatformTaskGradingParameters,
-    PlatformTaskGradingResult,
-} from "../task/platform/platform";
+import {getNextLevelIndex, PlatformTaskGradingParameters, PlatformTaskGradingResult,} from "../task/platform/platform";
 import {selectAnswer} from "../task/selectors";
 import {delay} from "../player/sagas";
 import {
@@ -21,7 +17,6 @@ import {
 } from "./submission_slice";
 import {longPollServerSubmissionResults, makeServerSubmission} from "./task_platform";
 import {appSelect} from '../hooks';
-import {getTaskPlatformMode, recordingProgressSteps, TaskPlatformMode} from '../task/utils';
 import {TaskActionTypes, updateCurrentTestId} from '../task/task_slice';
 import {LibraryTestResult} from '../task/libs/library_test_result';
 import {DeferredPromise} from '../utils/app';
@@ -253,7 +248,7 @@ class TaskSubmissionExecutor {
             const submissionId = submissionData.submissionId;
             submissionExecutionTasks[submissionIndex] = yield* fork([this, this.gradeAnswerLongPolling], submissionIndex, serverSubmission, submissionId);
 
-            return submissionExecutionTasks[submissionIndex].toPromise();
+            return yield submissionExecutionTasks[submissionIndex].toPromise();
         } catch (ex: any) {
             yield* put(submissionUpdateTaskSubmission({
                 id: submissionIndex,