Fix various issues and refactor code (#1671)

* Update setup_mode to "Sync" in AstraDBVectorStoreComponent

* Fix search_kwargs default value in PineconeSearch and QdrantSearch components

* Update Playwright test and ChatMessage component in chat_io.spec.ts and chatMessage/index.tsx

* Refactor test_pickle_each_vertex function in test_graph.py

* Refactor database service to improve performance and readability

src/frontend/src/components/headerComponent/index.tsx

@@ -1,4 +1,4 @@
-import { useContext, useEffect } from "react";
+import { useContext } from "react";
 import { FaDiscord, FaGithub } from "react-icons/fa";
 import { RiTwitterXFill } from "react-icons/ri";
 import { Link, useLocation, useNavigate, useParams } from "react-router-dom";

src/frontend/src/modals/IOModal/components/chatView/chatMessage/index.tsx

@@ -164,7 +164,12 @@ export default function ChatMessage({
               {chat.thought && chat.thought !== "" && !hidden && <br></br>}
               <div className="flex w-full flex-col">
                 <div className="flex w-full flex-col dark:text-white">
-                  <div data-testid={"chat-message-"+chat.sender_name+"-"+chatMessage} className="flex w-full flex-col">
+                  <div
+                    data-testid={
+                      "chat-message-" + chat.sender_name + "-" + chatMessage
+                    }
+                    className="flex w-full flex-col"
+                  >
                     {useMemo(
                       () =>
                         chatMessage === "" && lockChat ? (
@@ -313,7 +318,13 @@ dark:prose-invert"
                 </span>
               </>
             ) : (
-              <span data-testid={"chat-message-"+chat.sender_name+"-"+chatMessage}>{chatMessage}</span>
+              <span
+                data-testid={
+                  "chat-message-" + chat.sender_name + "-" + chatMessage
+                }
+              >
+                {chatMessage}
+              </span>
             )}
           </div>
         )}

src/frontend/tests/end-to-end/chat_io.spec.ts

@@ -1,4 +1,4 @@
-import { test,expect } from "@playwright/test";
+import { expect, test } from "@playwright/test";
 import { readFileSync } from "fs";
 
 test("chat_io_teste", async ({ page }) => {