[Query Copilot] Copilot V2 Retrieving bubble (#1579)

* Changing order of the features

* test name changed

* updates snapshots

* Bubble implementation

* Bubble tests implemented

* Correction for CopilotSampleDB implementation

* rollback to previous query tab changes

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Co-authored-by: Predrag Klepic <v-prklepic@microsoft.com>

src/Explorer/QueryCopilot/V2/Sidebar/QueryCopilotSidebar.test.tsx

@@ -2,7 +2,7 @@ import { shallow } from "enzyme";
 import React from "react";
 import { QueryCopilotSidebar } from "./QueryCopilotSidebar";
 
-describe("Footer snapshot test", () => {
+describe("QueryCopilotSidebar snapshot test", () => {
   it("should render ", () => {
     const wrapper = shallow(<QueryCopilotSidebar />);
     expect(wrapper).toMatchSnapshot();