fix: corrected get last ar filed date method

[EPortman]

Issue #: https://app.zenhub.com/workspaces/names-team-board-new-655554cbddd49510027dad2e/issues/gh/bcgov/business-ar/318

Description of changes:
When a Business AR filing is received from the new system, the corporation is looked up using find_by_identifier, which creates a founding_date based on the recognition_date (converted from Pacific Time to UTC).
https://github.com/bcgov/lear/blob/main/colin-api/src/colin_api/models/business.py#L327

When _get_last_ar_filed_date is called, it uses this founding_date by extracting the month and day. The issue was that the founding_date was not being converted back to Pacific Time. As a result, filings for businesses with a recognition_date after 5 PM local time were always showing a last_ar_filed_date one day ahead.

This PR fixes this by converting the founding_date back to pacific time before creating the last_ar_filed_date

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of the lear license (Apache 2.0).

[vysakh-menon-aot]

@EPortman If its ready you can change this from Draft to Ready for review and assign yourself as Assignees

[EPortman]

@vysakh-menon-aot I was getting an error when calling convert_to_pacific_time() since the founding_date_str had -00:00 in it when it should be +00.00.

So just had to control for that.

[EPortman]

I also do not have the option to assign myself as the assignee. I think a permission issue?

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[EPortman]

This is now ready. I tested it with a filing (Corp number 0705869) and the result in Colin was like so:

The day and month are now correctly in sync with the recogniton_date when the time is after 5pm and the year matches the year of the AR filing.

[vysakh-menon-aot]

I am not really sure about this. Approving it since this function is used only for Business AR sync