fix: redirect to event cfs page if clicked on event-card in cfs section

[shreyanshdwivedi]

Fixes #3099

Changes proposed in this pull request:

On the front page in the call for speakers section please direct the listed events in that section directly to the "Call for Speakers" page of the event.

Checklist

• I have read the Contribution & Best practices Guide.
• My branch is up-to-date with the Upstream development branch.
• The acceptance, integration, unit tests and linter pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation (if appropriate)