feat(eventstream_destination_connection): add new fabric_eventstream_destination_connection data source and ephermal resource

[CatalinDabuleanu]

📥 Pull Request

❓ What are you trying to address

Added new ephermal resource and data source for fabric_eventstream_destination_connection

This closes #825 and #826

[github-actions]

Changelog Preview

v1.9.2-dev - April 20, 2026

✨ Added

• #825 Added new data source fabric_eventstream_destination_connection
• #826 Added new ephemeral resource fabric_eventstream_destination_connection

🪲 Fixed

• #910 Fixed an issue where v1.9.0 could fail to install with OpenTofu due to a checksum mismatch; OpenTofu users should upgrade to v1.9.1 or later.

[Copilot]

Pull request overview

Adds support for reading Fabric Eventstream destination connection details via a new preview data source and ephemeral resource, including provider registration, docs/examples, and test fixtures used by unit/acceptance tests.

Changes:

• Introduces fabric_eventstream_destination_connection as a preview data source and ephemeral resource backed by the Fabric Eventstream Topology client.
• Adds unit + acceptance tests, plus fake server handlers/fixtures for destination connection responses.
• Updates well-known test setup, examples, generated docs, and changelog entries.

Reviewed changes

Copilot reviewed 21 out of 21 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
tools/scripts/Set-WellKnown.ps1	Captures destination connection details into the well-known test data set.
internal/testhelp/fixtures/eventstream/eventstream.json.tmpl	Updates Eventstream topology fixture to include a CustomEndpoint destination.
internal/services/eventstreamdestinationconnection/base.go	Declares TF type metadata for the new item (preview).
internal/services/eventstreamdestinationconnection/models.go	Adds state models and mapping from SDK response into TF types.
internal/services/eventstreamdestinationconnection/data_evenstream_destination_connection.go	Implements the data source read flow and schema.
internal/services/eventstreamdestinationconnection/ephemeral_evenstream_destination_connection.go	Implements the ephemeral resource open flow and schema.
internal/services/eventstreamdestinationconnection/base_test.go	Exposes shared type info for tests.
internal/services/eventstreamdestinationconnection/fake_test.go	Adds fake responder + random entity generator for unit tests.
internal/services/eventstreamdestinationconnection/data_evenstream_destination_connection_test.go	Unit + acceptance tests for the data source.
internal/services/eventstreamdestinationconnection/ephemeral_evenstream_destination_connection_test.go	Unit + acceptance tests for the ephemeral resource.
internal/provider/provider.go	Registers the new data source and ephemeral resource in the provider.
examples/data-sources/fabric_eventstream_destination_connection/providers.tf	Data source example provider config.
examples/data-sources/fabric_eventstream_destination_connection/data-source.tf	Data source example usage.
examples/data-sources/fabric_eventstream_destination_connection/outputs.tf	Data source example output.
examples/ephemerals/fabric_eventstream_destination_connection/providers.tf	Ephemeral example provider config.
examples/ephemerals/fabric_eventstream_destination_connection/ephemeral.tf	Ephemeral example usage.
examples/ephemerals/fabric_eventstream_destination_connection/outputs.tf	Ephemeral example output.
docs/data-sources/eventstream_destination_connection.md	Generated docs for the new data source.
docs/ephemeral-resources/eventstream_destination_connection.md	Generated docs for the new ephemeral resource.
.changes/unreleased/added-20260416-100219.yaml	Changelog entry for the new data source.
.changes/unreleased/added-20260416-100247.yaml	Changelog entry for the new ephemeral resource.

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