[MM-57383] User profile popover performance improved and redesigned (#26420)

e2e-tests/cypress/tests/integration/channels/integrations/incoming_webhook/inapp_username_profile_override_spec.js

@@ -160,7 +160,7 @@ function verifyLastPost(owner, username, iconUrl) {
 
 function verifyProfilePopover(owner, username, iconUrl) {
     // * Verify that the profile popover is shown
-    cy.get('#user-profile-popover').should('be.visible').within(() => {
+    cy.get('div.user-profile-popover').should('be.visible').within(() => {
         // * Verify username from payload
         cy.get('.user-profile-popover__heading').should('be.visible').and('have.text', username);