InfernoWidget: fix restore classes in rerender (T1308601) (DevExpress#31192)

Author: juleari

e2e/testcafe-devextreme/tests/navigation/buttonGroup/selection.ts

@@ -35,3 +35,39 @@ test('selected class should not be added to the button after hovering (T1222079)
   selectedItemKeys: ['Button_1'],
   disabled: true,
 }));
+test('selected class should be set after reenabling (T1308601)', async (t) => {
+  const buttonGroup = new ButtonGroup('#container');
+
+  await buttonGroup.option('disabled', true);
+  await buttonGroup.option('disabled', false);
+
+  await t
+    .click(buttonGroup.getItem(1).element);
+
+  await buttonGroup.option('disabled', true);
+  await buttonGroup.option('disabled', false);
+
+  await t
+    .click(buttonGroup.getItem(0).element);
+
+  await t
+    .expect(buttonGroup.getItem(0).isSelected)
+    .ok()
+    .expect(buttonGroup.isItemSelected(0))
+    .ok();
+
+  await t
+    .hover(buttonGroup.getItem(1).element);
+
+  await t
+    .expect(buttonGroup.getItem(0).isSelected)
+    .ok()
+    .expect(buttonGroup.isItemSelected(0))
+    .ok();
+}).before(async () => createWidget('dxButtonGroup', {
+  items: [
+    { text: 'Button_1' },
+    { text: 'Button_2' },
+  ],
+  selectedItemKeys: ['Button_1'],
+}));

packages/devextreme/js/__internal/core/r1/runtime/inferno/base_component.ts

@@ -118,7 +118,8 @@ export class InfernoWrapperComponent<
       const indexInRemoved = el.dxClasses.removed.indexOf(value);
       if (indexInRemoved > -1) {
         el.dxClasses.removed.splice(indexInRemoved, 1);
-      } else if (!el.dxClasses.added.includes(value)) {
+      }
+      if (!el.dxClasses.added.includes(value)) {
         el.dxClasses.added.push(value);
       }
     });
@@ -127,7 +128,8 @@ export class InfernoWrapperComponent<
       const indexInAdded = el.dxClasses.added.indexOf(value);
       if (indexInAdded > -1) {
         el.dxClasses.added.splice(indexInAdded, 1);
-      } else if (!el.dxClasses.removed.includes(value)) {
+      }
+      if (!el.dxClasses.removed.includes(value)) {
         el.dxClasses.removed.push(value);
       }
     });