cy: fix login command with flexible selector

Signed-off-by: Max <max@nextcloud.com>

cypress/support/commands.js

@@ -33,7 +33,7 @@ Cypress.Commands.add('login', (user, password, route = '/apps/files') => {
 	cy.visit(route)
 	cy.get('input[name=user]').type(user)
 	cy.get('input[name=password]').type(password)
-	cy.get('#submit-wrapper input[type=submit]').click()
+	cy.get('form[name=login] [type=submit]').click()
 	cy.url().should('include', route)
 })