CardView: Replace public image URLs with local URLs for TestCafe tests (#31443)

Author: Alyar666

e2e/testcafe-devextreme/tests/accessibility/cardView/cover.ts

@@ -14,7 +14,7 @@ test('default render', async (t) => {
   height: 600,
   columns: ['Customer', 'Order Date'],
   cardCover: {
-    imageExpr: (data) => data.Picture && `https://js.devexpress.com/jQuery/Demos/WidgetsGallery/JSDemos/${data.Picture}`,
+    imageExpr: (data) => data.Picture && `../../../apps/demos/${data.Picture}`,
     altExpr: 'FirstName',
   },
   dataSource: [{

e2e/testcafe-devextreme/tests/cardView/cover.visual.ts

@@ -23,7 +23,7 @@ test('default render', async (t) => {
   height: 600,
   columns: ['Customer', 'Order Date'],
   cardCover: {
-    imageExpr: (data) => data.Picture && `https://js.devexpress.com/jQuery/Demos/WidgetsGallery/JSDemos/${data.Picture}`,
+    imageExpr: (data) => data.Picture && `../../../apps/demos/${data.Picture}`,
     altExpr: 'FirstName',
   },
   dataSource: [{