[Integration][Jira] Add totalIssues field to project kind

[lordsarcastic]

Description

What - Add totalIssues field to project kind

Why - To be able to know how many issues are in a project

How - By accessing the .insight.totalIssueCount property from the project response

Type of change

Please leave one option from the following and delete the rest:

• New feature (non-breaking change which adds functionality)

All tests should be run against the port production environment(using a testing org).

Core testing checklist

• Integration able to create all default resources from scratch
• Resync finishes successfully
• Resync able to create entities
• Resync able to update entities
• Resync able to detect and delete entities
• Scheduled resync able to abort existing resync and start a new one
• Tested with at least 2 integrations from scratch
• Tested with Kafka and Polling event listeners
• Tested deletion of entities that don't pass the selector

Integration testing checklist

• Integration able to create all default resources from scratch
• Resync able to create entities
• Resync able to update entities
• Resync able to detect and delete entities
• Resync finishes successfully
• If new resource kind is added or updated in the integration, add example raw data, mapping and expected result to the examples folder in the integration directory.
• If resource kind is updated, run the integration with the example data and check if the expected result is achieved
• If new resource kind is added or updated, validate that live-events for that resource are working as expected
• Docs PR link here

Preflight checklist

• Handled rate limiting
• Handled pagination
• Implemented the code in async
• Support Multi account

Screenshots

API Documentation

Provide links to the API documentation used for this integration.

[Tankilevitch]

LGTM