MM-61306: Cypress/E2E, fixed failed tests (#28959)

e2e-tests/cypress/tests/integration/channels/enterprise/integrations/incoming_webhook_spec.ts

@@ -68,7 +68,7 @@ describe('Incoming webhook', () => {
         cy.postIncomingWebhook({url: incomingWebhook.url, data: payload});
 
         cy.uiGetSearchContainer().click();
-        cy.uiGetSearchBox().find('input').
+        cy.uiGetSearchBox().
             wait(TIMEOUTS.HALF_SEC).
             typeWithForce('findme').
             typeWithForce('{enter}');