adjust federated share step according to new changes (#12020)

Author: amrita-shrestha

tests/e2e/support/objects/federation/actions.ts

@@ -1,6 +1,7 @@
 import { expect, Page } from '@playwright/test'
 import util from 'util'
 import { federatedInvitationCode } from '../../store'
+import { config } from '../../../config'
 
 const generateInvitationButton =
   '//button[contains(@aria-label,"Generate invitation link that can be shared with one or more invitees")]'
@@ -9,8 +10,6 @@ const invitationToken = 'span:has-text("%s")'
 const invitationInput = '//input[starts-with(@id, "oc-textinput-")]'
 const invitationConnectionRow =
   '//div[@id="sciencemesh-connections"]//td[text()="%s"]/parent::tr/td[text()="%s"]'
-const institutionOptionDropdown = '.vs__open-indicator'
-const inviterInstitutionOption = 'ul.vs__dropdown-menu > li'
 const acceptInvitationButton = 'button:has(span:has-text("Accept invitation"))'
 
 export const generateInvitation = async (args: { page: Page; user: string }): Promise<void> => {
@@ -32,6 +31,11 @@ export const generateInvitation = async (args: { page: Page; user: string }): Pr
     }),
     page.locator(generateInvitationActionConfirmButton).click()
   ])
+
+  const serverHostname = new URL(config.baseUrl).host
+
+  // Generate the invitation code by Base64 encoding "token@oCISUrl"
+  inviteCode = btoa(inviteCode + '@' + serverHostname)
   await expect(page.locator(util.format(invitationToken, inviteCode))).toBeVisible()
   federatedInvitationCode.set(user, { code: inviteCode })
 }
@@ -40,8 +44,6 @@ export const acceptInvitation = async (args: { page: Page; sharer: string }): Pr
   const { page, sharer } = args
   const invitation = federatedInvitationCode.get(sharer.toLowerCase())
   await page.locator(invitationInput).fill(invitation.code)
-  await page.locator(institutionOptionDropdown).click()
-  await page.locator(inviterInstitutionOption).click()
   await Promise.all([
     page.waitForResponse(
       (resp) =>