MM-47291 refactor: migrate collapsed_reply_threads to ts (#27808)

* refactor: migrate collapsed_reply_threads to ts

- migrate collapsed_reply_threads e2e tests to typescript
- update matterpollPlugin plugin constant so that it matches
with apiUploadAndEnablePlugin argument

Fixes: #21296

* refactor: use PostMessageResp on channel_notifications_spec

- use type PostMessageResp
- convert cy.wrap to regular for loop

* refactor: update types on collapsed_reply_threads

- add missing types to variables
- update types on current variables
- remove unnecessary commands on following_spec.ts

* fix: solve issue with non callable function

- move wait call to next line

* refactor: remove functions from global scope

- keep functions as helper functions
- fix lint issue

e2e-tests/cypress/tests/utils/plugins.js

@@ -70,6 +70,7 @@ export const matterpollPlugin = {
     id: 'com.github.matterpoll.matterpoll',
     version: '1.5.0',
     url: 'https://github.com/matterpoll/matterpoll/releases/download/v1.5.0/com.github.matterpoll.matterpoll-1.5.0.tar.gz',
+    filename: 'com.github.matterpoll.matterpoll-1.5.0.tar.gz',
 };
 
 export const testPlugin = {