fix: known failed E2E tests (#23708)

e2e-tests/cypress/tests/support/ui/channel.js

@@ -9,7 +9,7 @@ Cypress.Commands.add('uiCreateChannel', ({
     isPrivate = false,
     purpose = '',
     name = '',
-    createBoard = false,
+    createBoard = '',
 }) => {
     cy.uiBrowseOrCreateChannel('Create new channel').click();
 
@@ -30,8 +30,8 @@ Cypress.Commands.add('uiCreateChannel', ({
         cy.findByTestId('add-board-to-channel-check').then((el) => {
             if (el && !el.hasClass('checked')) {
                 el.click();
-                cy.get('#input_select-board-template').should('be.visible').click();
-                cy.get('.SelectTemplateMenu .MenuItem:contains(Roadmap) button').should('be.visible').click();
+                cy.get('.templates-selector').find('input').click({force: true});
+                cy.findByText(createBoard).scrollIntoView().should('be.visible').click({force: true});
             }
         });
     }