Increase timeout, retry for cypress testing and add skip logic for grafanalogin

General MR

Summary

Add the timeout, retry for cypress testing and skip login for grafanaLogin to address the timeout ci/cd smoke test failure for clean install.

Relevant logs/screenshots

https://repo1.dso.mil/big-bang/bigbang/-/jobs/38904593/artifacts/file/test-artifacts/logging-ek/cypress/videos/01-loki-health.spec.cy.js.mp4- Shows timeout of 30 seconds for testing the datasource connection for grafana, retries after failure, while adding a skip logic that skips the grafanalogin if grafana user login persists after first failure.

Linked Issue

Links to #202 (closed)

Upgrade Notices

N/A