DBC22-6499: update wildfire display requirements

[ray-oxd]

📝 Submitter

🔗 JIRA Ticket

• Ticket Link: https://moti-imb.atlassian.net/browse/DBC22-6499

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✅ Quality Assurance & Requirements

• Requirements Met: I have confirmed that all acceptance criteria from the JIRA ticket are fulfilled.
• Tested desktop in local or dev envs
• Tested mobile in local or dev envs
• Ran unit tests locally
• SonarCloud: I have verified that the SonarCloud analysis is clean/passing for this branch.

⚙️ Configuration & Environment

• New Env Variables: Does this PR require new environment variables? (Yes/No)

  If yes, please list them here and ensure they are added to secret manager, the .env.example. and the Vault by an STA.

🧪 How to Test (if required)

1. Run wildfire populate and confirm point-only fires appear in the /api/wildfires/ response.
2. Confirm Out and Under Control wildfires are excluded from the API response.
3. Toggle the wildfires layer on the map and verify point-only fires render as markers (without a polygon area).
4. Open a Fire of Note wildfire panel and confirm the status definition displays.
5. Verify the map legend shows updated wildfire description text: "Active forest fires that are important to note, out of control, or currently being held."
6. Run python manage.py test apps.wildfire.tests.test_wildfire_populate

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🔍 Reviewer Checklist

• Reviewed code for logic and cleanliness
• Re-tested desktop/mobile in local or dev envs
• Verified no new console warnings/errors
• Confirmed that any new env variables are understood/documented