fix(frontend): add brain modal integration doestn t work (#2649)

# Description

Please include a summary of the changes and the related issue. Please
also include relevant motivation and context.

## Checklist before requesting a review

Please delete options that are not relevant.

- [ ] My code follows the style guidelines of this project
- [ ] I have performed a self-review of my code
- [ ] I have commented hard-to-understand areas
- [ ] I have ideally added tests that prove my fix is effective or that
my feature works
- [ ] New and existing unit tests pass locally with my changes
- [ ] Any dependent changes have been merged

## Screenshots (if appropriate):

frontend/lib/components/AddBrainModal/components/BrainRecapStep/BrainRecapStep.tsx

@@ -23,8 +23,7 @@ export const BrainRecapStep = (): JSX.Element => {
   const { createBrain } = useBrainCreationApi();
   const { updateUserIdentity } = useUserApi();
   const { userIdentityData } = useUserData();
-  const { openedConnections, setOpenedConnections } =
-    useFromConnectionsContext();
+  const { openedConnections } = useFromConnectionsContext();
 
   const feed = async (): Promise<void> => {
     if (!userIdentityData?.onboarded) {
@@ -121,7 +120,6 @@ export const BrainRecapStep = (): JSX.Element => {
           iconName="add"
           onClick={async () => {
             await feed();
-            setOpenedConnections([]);
           }}
           disabled={
             knowledgeToFeed.length === 0 && !userIdentityData?.onboarded

frontend/lib/components/AddBrainModal/components/FeedBrainStep/hooks/useBrainCreationApi.ts

@@ -30,6 +30,7 @@ export const useBrainCreationApi = () => {
   const { crawlWebsiteHandler, uploadFileHandler } = useKnowledgeToFeedInput();
   const { setIsBrainCreationModalOpened, setCreating, currentSelectedBrain } =
     useBrainCreationContext();
+  const { setOpenedConnections } = useFromConnectionsContext();
   const [fields, setFields] = useState<
     { name: string; type: string; value: string }[]
   >([]);
@@ -88,6 +89,7 @@ export const useBrainCreationApi = () => {
     setCurrentBrainId(createdBrainId);
     setIsBrainCreationModalOpened(false);
     setCreating(false);
+    setOpenedConnections([]);
     reset();
 
     void queryClient.invalidateQueries({