feat(frontend): set from connections by default in knowledge to feed (#2680)

# 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/app/chat/[chatId]/components/ActionsBar/components/KnowledgeToFeed/KnowledgeToFeed.tsx

@@ -22,7 +22,7 @@ export const KnowledgeToFeed = ({
 }): JSX.Element => {
   const { allBrains, setCurrentBrainId, currentBrainId, currentBrain } =
     useBrainContext();
-  const [selectedTab, setSelectedTab] = useState("Documents");
+  const [selectedTab, setSelectedTab] = useState("Connections");
   const { knowledgeToFeed } = useKnowledgeToFeedContext();
   const { openedConnections, setOpenedConnections, setCurrentSyncId } =
     useFromConnectionsContext();
@@ -40,6 +40,14 @@ export const KnowledgeToFeed = ({
   );
 
   const knowledgesTabs: Tab[] = [
+    {
+      label: "Connections",
+      isSelected: selectedTab === "Connections",
+      onClick: () => setSelectedTab("Connections"),
+      iconName: "sync",
+      badge: openedConnections.filter((connection) => connection.submitted)
+        .length,
+    },
     {
       label: "Documents",
       isSelected: selectedTab === "Documents",
@@ -57,14 +65,6 @@ export const KnowledgeToFeed = ({
       badge: knowledgeToFeed.filter((knowledge) => knowledge.source === "crawl")
         .length,
     },
-    {
-      label: "Connections",
-      isSelected: selectedTab === "Connections",
-      onClick: () => setSelectedTab("Connections"),
-      iconName: "sync",
-      badge: openedConnections.filter((connection) => connection.submitted)
-        .length,
-    },
   ];
 
   useEffect(() => {
@@ -123,9 +123,9 @@ export const KnowledgeToFeed = ({
       )}
       <Tabs tabList={knowledgesTabs} />
       <div className={styles.tabs_content_wrapper}>
+        {selectedTab === "Connections" && <FromConnections />}
         {selectedTab === "Documents" && <FromDocuments />}
         {selectedTab === "Websites" && <FromWebsites />}
-        {selectedTab === "Connections" && <FromConnections />}
       </div>
     </div>
   );