Chirag - Fix: Added logic to return all events for community calendar

[ChiragBellara]

Description

Related PRS (if any):

This is related to

Main changes explained:

• Updated the GET /events to return all events in default scenarios and paginated results when page and limit are specified.

How to test:

1. check into current branch
2. do npm install and npm run dev to run this PR locally
3. Clear site data/cache
4. log as admin user
5. using Postman try hitting the http://localhost:4500/api/events -> you should see all the events at once
6. again try hitting http://localhost:4500/api/events?page=1&limit=10 -> you should see only the first 10 events.

Screenshots or videos of changes:

[DeepighaJ]

Checked into current branch and ran PR locally
In Postman created a get request for the endpoint http://localhost:4500/api/events and got 200 response status with all events and its data in response body.
Validated a get request for the endpoint http://localhost:4500/api/events?page=1&limit=10 and got 200 response status with 10 events retrieved in response body.