nym-api: make report/avg_uptime endpoints ignore blacklist

[jstuczyn]

Description

this PR makes one particular change: when querying for node specific data, it's no longer going to go through the entire list of all cached (and filtered nodes) to find it; instead it will attempt to retrieve a single unfiltered entry

Checklist:

• added a changelog entry to CHANGELOG.md

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2 Ignored Deployments

Name	Status	Preview	Comments	Updated (UTC)
nym-explorer	⬜️ Ignored (Inspect)			May 17, 2024 10:01am
nym-next-explorer	⬜️ Ignored (Inspect)			May 17, 2024 10:01am

[tommyv1987]

Testing Completion Date: 2024-05-21

Testing Steps Performed:

1. Tests:
   • built the project and deployed it in a test environment.
   • manually tested API endpoints for mixnode and gateway data.
   • verified that the endpoints return the expected data and handle blacklists correctly.
   • test standard uptime routes:

curl -X 'GET' 'https://qa-nym-api.qa.nymte.ch/api/v1/status/gateway/3ZmKvV3Fax9A8txxQ3GKh9fUeyTAk68rK4Yn4m3Vdvp9/avg_uptime' -H 'accept: application/json'

curl -X 'GET' 'https://sandbox-nym-api1.nymtech.net/api/v1/status/mixnode/35/avg_uptime' -H 'accept: application/json'

Validation:

• Test Passed
• Issues Found (Please specify below)

Notes (if any):

• all tests passed successfully.
• API performance improved due to the efficient HashMap lookups.
• no issues were encountered during testing.
• data in mainnet will differ from test nets due to the increased amount of gateways and mixnodes in that environment

Attachments (if applicable):

• no issues found, so no additional attachments are necessary.