fix: drag and drop issue in list widget (#35622)

## Description
This pull request fixes an issue where the error count was not being
properly checked when a list widget was dropped.

* Reverts a previous commit(#35221). 
* Include changes to the test file and the widget creation functions to
ensure that the error count is correctly checked when a list widget is
dragged and dropped.

Fixes #35578
_or_  
Fixes `Issue URL`
> [!WARNING]  
> _If no issue exists, please create an issue first, and check with the
maintainers if the issue is valid._

## Automation

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

### 🔍 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/10350318730>
> Commit: 07f3abc
> <a
href="https://internal.appsmith.com/app/cypress-dashboard/rundetails-65890b3c81d7400d08fa9ee5?branch=master&workflowId=10350318730&attempt=1"
target="_blank">Cypress dashboard</a>.
> Tags: `@tag.All`
> Spec:
> <hr>Mon, 12 Aug 2024 11:35:20 UTC
<!-- end of auto-generated comment: Cypress test results  -->


## Communication
Should the DevRel and Marketing teams inform users about this change?
- [ ] Yes
- [x] No


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

## Summary by CodeRabbit

- **New Features**
	- Improved drag-and-drop functionality for list widgets.
  
- **Bug Fixes**
- Enhanced clarity and organization of test cases for better logical
flow.

- **Chores**
- Simplified widget ID generation across several components, improving
consistency in the application.

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

app/client/cypress/e2e/Regression/ClientSide/Widgets/ListV2/Listv2_BasicClientSideData_spec.js

@@ -36,14 +36,20 @@ describe(
       _.agHelper.SaveLocalStorageCache();
     });
 
-    it("1. shows correct number of items", () => {
+    it("1. Test drag and drop of list widget", () => {
+      // to avoid such issues in future: https://github.com/appsmithorg/appsmith/issues/35578
+      cy.dragAndDropToCanvas("listwidgetv2", { x: 200, y: 200 });
+      _.debuggerHelper.AssertErrorCount(0);
+    });
+
+    it("2. shows correct number of items", () => {
       _.agHelper.AddDsl("Listv2/simpleList");
       cy.get(publishLocators.containerWidget).should("have.length", 3);
       cy.get(publishLocators.imageWidget).should("have.length", 3);
       cy.get(publishLocators.textWidget).should("have.length", 6);
     });
 
-    it("2. shows correct text from binding", () => {
+    it("3. shows correct text from binding", () => {
       cy.get(publishLocators.containerWidget).each(($containerEl, index) => {
         cy.wrap($containerEl)
           .find(publishLocators.textWidget)
@@ -56,7 +62,7 @@ describe(
       });
     });
 
-    it("3. retains input values when pages are switched", () => {
+    it("4. retains input values when pages are switched", () => {
       _.agHelper.AddDsl("Listv2/simpleListWithInputAndButton");
 
       cy.get(publishLocators.inputWidget).should("have.length", 2);
@@ -119,7 +125,7 @@ describe(
       });
     });
 
-    it("4. Reset pageNo when serverside pagination is enabled", () => {
+    it("5. Reset pageNo when serverside pagination is enabled", () => {
       cy.get(`${widgetSelector("List1")} .rc-pagination-item-3`).click({
         force: true,
       });

app/client/src/layoutSystems/anvil/utils/layouts/update/sectionUtils.ts

@@ -25,9 +25,7 @@ export function* createSectionAndAddWidget(
   /**
    * Step 1: Create Section widget.
    */
-  const widgetId: string = generateReactKey({
-    prefix: "section-",
-  });
+  const widgetId: string = generateReactKey();
   const updatedWidgets: CanvasWidgetsReduxState = yield addNewAnvilWidgetToDSL(
     allWidgets,
     {

app/client/src/layoutSystems/anvil/utils/layouts/update/zoneUtils.ts

@@ -34,7 +34,7 @@ export function* createZoneAndAddWidgets(
   /**
    * Create Zone widget.
    */
-  const widgetId: string = generateReactKey({ prefix: "zone-" });
+  const widgetId: string = generateReactKey();
   const updatedWidgets: CanvasWidgetsReduxState = yield addNewAnvilWidgetToDSL(
     allWidgets,
     {

app/client/src/layoutSystems/anvil/utils/sectionOperationUtils.ts

@@ -169,7 +169,7 @@ export function* addNewZonesToSection(
     // TODO: Fix this the next time the file is edited
     // eslint-disable-next-line @typescript-eslint/no-explicit-any
     const newWidget: any = {
-      newWidgetId: generateReactKey({ prefix: "zone-" }),
+      newWidgetId: generateReactKey(),
       parentId: sectionWidget.widgetId,
       type: anvilWidgets.ZONE_WIDGET,
     };

app/client/src/pages/Editor/widgetSidebar/WidgetCard.tsx

@@ -132,13 +132,10 @@ function WidgetCard(props: CardProps) {
         widgetName: props.details.displayName,
       });
     }
-
     setDraggingNewWidget &&
       setDraggingNewWidget(true, {
         ...props.details,
-        widgetId: generateReactKey({
-          prefix: props.details.type === "ZONE_WIDGET" ? "zone-" : "component-",
-        }),
+        widgetId: generateReactKey(),
       });
   };