chore: Revert "fix: fixed back button to redirect to applications page" (#36191)

Reverts appsmithorg/appsmith#35900

## Automation

/ok-to-test tags="@tag.Sanity"

### 🔍 Cypress test results
<!-- This is an auto-generated comment: Cypress test results  -->
> [!TIP]
> 🟢 🟢 🟢 All cypress tests have passed! 🎉 🎉 🎉
> Workflow run:
<https://github.com/appsmithorg/appsmith/actions/runs/10778653732>
> Commit: b0516d09e4268def58306571166fe6e6318103b0
> <a
href="https://internal.appsmith.com/app/cypress-dashboard/rundetails-65890b3c81d7400d08fa9ee5?branch=master&workflowId=10778653732&attempt=1"
target="_blank">Cypress dashboard</a>.
> Tags: `@tag.Sanity`
> Spec:
> <hr>Mon, 09 Sep 2024 18:26:51 UTC
<!-- end of auto-generated comment: Cypress test results  -->



<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

- **New Features**
- Simplified navigation with the `BackButton` component, now relying on
default behavior instead of a specified route in the `UserProfile` and
`Settings` components.
  
- **Bug Fixes**
- Refined testing strategy by removing outdated navigation-related tests
and imports for the `UserProfile` and `Settings` components,
streamlining the test suite.

- **Documentation**
- Updated comments and documentation to reflect changes in navigation
behavior and testing focus.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

app/client/src/pages/UserProfile/index.test.tsx

@@ -1,6 +1,6 @@
 import "@testing-library/jest-dom/extend-expect";
 import React from "react";
-import { render, screen, fireEvent } from "@testing-library/react";
+import { render } from "@testing-library/react";
 import { Provider } from "react-redux";
 import configureStore from "redux-mock-store";
 import { lightTheme } from "selectors/themeSelectors";
@@ -87,15 +87,6 @@ jest.mock("actions/gitSyncActions", () => ({
   fetchGlobalGitConfigInit: jest.fn(),
 }));
 
-const mockHistoryPush = jest.fn();
-
-jest.mock("react-router-dom", () => ({
-  ...jest.requireActual("react-router-dom"),
-  useHistory: () => ({
-    push: mockHistoryPush,
-  }),
-}));
-
 const mockStore = configureStore([]);
 describe("Git config ", () => {
   // TODO: Fix this the next time the file is edited
@@ -137,22 +128,6 @@ describe("Git config ", () => {
     expect(getAllByText("Sign in to your account")).toBeInTheDocument;
   });
 
-  it("should call history push when user goes back to applications", () => {
-    store = mockStore(defaultStoreState);
-    render(
-      <Provider store={store}>
-        <ThemeProvider theme={lightTheme}>
-          <Router>
-            <UserProfile />
-          </Router>
-        </ThemeProvider>
-      </Provider>,
-    );
-    const backButton = screen.getByText("Back");
-    fireEvent.click(backButton);
-    expect(mockHistoryPush).toHaveBeenCalledWith("/applications");
-  });
-
   afterAll(() => {
     jest.clearAllMocks();
     store.clearActions();

app/client/src/pages/UserProfile/index.tsx

@@ -56,7 +56,7 @@ function UserProfile() {
   return (
     <PageWrapper displayName={"Profile"}>
       <ProfileWrapper>
-        <BackButton goTo="/applications" />
+        <BackButton />
         <Tabs defaultValue={selectedTab} onValueChange={setSelectedTab}>
           <TabsList>
             {tabs.map((tab) => {

app/client/src/pages/workspace/__tests__/settings.test.tsx

@@ -1,17 +1,9 @@
 import React from "react";
 import "@testing-library/jest-dom";
 import Router from "react-router-dom";
-import { BrowserRouter } from "react-router-dom";
 import { render, screen } from "test/testUtils";
-import {
-  render as testRender,
-  screen as testScreen,
-} from "@testing-library/react";
-import { fireEvent } from "@testing-library/react";
 import Settings from "../settings";
 import * as reactRedux from "react-redux";
-import configureStore from "redux-mock-store";
-import { Provider } from "react-redux";
 
 // TODO: Fix this the next time the file is edited
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
@@ -159,16 +151,9 @@ const mockWorkspaceData = {
   new: false,
 };
 
-const mockHistoryPush = jest.fn();
-
-const mockStore = configureStore([]);
-
 jest.mock("react-router-dom", () => ({
   ...jest.requireActual("react-router-dom"),
   useParams: jest.fn(),
-  useHistory: () => ({
-    push: mockHistoryPush,
-  }),
 }));
 
 function renderComponent() {
@@ -205,19 +190,4 @@ describe("<Settings />", () => {
     expect(tabList.length).toBeGreaterThanOrEqual(2);
     expect(tabList.length).toBeLessThanOrEqual(3);
   });
-
-  it("should redirect to workspace page if user wants to go back", () => {
-    testRender(
-      <BrowserRouter>
-        <Provider store={mockStore(mockWorkspaceData)}>
-          <Settings />
-        </Provider>
-      </BrowserRouter>,
-    );
-    const backBtn = testScreen.getByText("Back");
-    fireEvent.click(backBtn);
-    expect(mockHistoryPush).toHaveBeenCalledWith(
-      `/applications?workspaceId=${mockWorkspaceData.id}`,
-    );
-  });
 });

app/client/src/pages/workspace/settings.tsx

@@ -127,7 +127,7 @@ export default function Settings() {
     <>
       <SettingsWrapper data-testid="t--settings-wrapper" isMobile={isMobile}>
         <StyledStickyHeader isMobile={isMobile}>
-          <BackButton goTo={`/applications?workspaceId=${workspaceId}`} />
+          <BackButton />
           <SettingsPageHeader
             buttonText="Add users"
             onButtonClick={onButtonClick}