feat(chatInput): use tiptap editor (#1752)

Issue:  

- #1700
- #1722

Follow-up: 

- #1753

Demo: 



https://github.com/StanGirard/quivr/assets/63923024/1e2f8ed9-2a08-48fa-ac19-60910feb4f8d

frontend/app/chat/[chatId]/__tests__/page.test.tsx

@@ -72,6 +72,13 @@ vi.mock("@tanstack/react-query", async () => {
   };
 });
 
+vi.mock(
+  "../components/ActionsBar/components/ChatInput/components/ChatEditor/ChatEditor",
+  () => ({
+    ChatEditor: () => <div data-testid="chat-input" />,
+  })
+);
+
 describe("Chat page", () => {
   it("should render chat page correctly", () => {
     const { getByTestId } = render(