[EAGLE-7291] Use PATs for API calls that involve external models

[tiit-clarifai]

The test applications use the General base workflow which contains public models from clarifai/main. In order to authorize cross-application access, API calls that rely on the base workflow must use a Personal Access Token instead of an application-specific API key.

Update all calls to PostInputs and PostAnnotations to use a PAT.

Note that PostInputs currently does work, but this is planned to change so update the tests now to avoid future breakage.

[Copilot]

Pull request overview

This PR updates the Python gRPC test suite to authenticate write operations (inputs/annotations creation) with a Personal Access Token (PAT) so tests continue to work when base workflows depend on cross-application models (e.g., clarifai/main).

Changes:

• Add a user_app_id() helper to consistently populate user_app_id in requests.
• Update PostInputs calls in multiple tests to include user_app_id and use PAT-backed metadata.
• Update PostAnnotations calls to include user_app_id and use PAT-backed metadata.

Reviewed changes

Copilot reviewed 7 out of 7 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
tests/common.py	Imports resources_pb2 and adds user_app_id() helper for UserAppIDSet.
tests/client/test_secure_data_hosting.py	Uses USER_APP_ID in PostInputs and switches those writes to PAT auth.
tests/client/test_model_crud.py	Adds user_app_id to PostInputs and switches to metadata(pat=True) for the create step.
tests/client/test_inputs_searches.py	Updates setup PostInputs to include user_app_id and PAT metadata.
tests/client/test_image_crud.py	Updates multiple PostInputs calls to include user_app_id and PAT metadata.
tests/client/test_dataset_version_export.py	Updates dataset input creation (PostInputs) to include user_app_id and PAT metadata.
tests/client/test_annotations_searches.py	Updates PostAnnotations and setup PostInputs to include user_app_id and PAT metadata.

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