CLD-7841 Optimize E2E testing costs (#27883)

* Utilize free runners for E2E tests, report back to PR on run completion
* Increase test stability on smaller instances
* Merge worker reports
* merge start+prepare steps
* upgrade keycloak
* increase test timeouts
* Add video recording to report artifacts

Co-authored-by: Saturnino Abril <5334504+saturninoabril@users.noreply.github.com>

---------

Co-authored-by: Saturnino Abril <5334504+saturninoabril@users.noreply.github.com>

e2e-tests/cypress/tests/integration/channels/messaging/message_reply_spec.js

@@ -21,6 +21,9 @@ describe('Message Reply', () => {
         cy.apiInitSetup({loginAfter: true}).then(({team, channel}) => {
             newChannel = channel;
             cy.visit(`/${team.name}/channels/${channel.name}`);
+
+            // # Wait for the page to fully load before continuing
+            cy.get('#sidebar-header-container').should('be.visible').and('have.text', team.display_name);
         });
     });
 
@@ -43,9 +46,11 @@ describe('Message Reply', () => {
             cy.clickPostCommentIcon(postId);
 
             // # Reply with the attachment
-            cy.postMessageReplyInRHS('A reply to an older post with attachment');
+            const replyText = 'A reply to an older post with attachment';
+            cy.postMessageReplyInRHS(replyText);
 
             // # Get the latest reply post
+            cy.uiWaitUntilMessagePostedIncludes(replyText);
             cy.getLastPostId().then((replyId) => {
                 // * Verify that the reply is in the channel view with matching text
                 cy.get(`#post_${replyId}`).within(() => {