feat(gooddata-sdk): [AUTO] add MetricDefinitionOverride wrapper for GDAI-1389

[yenkins-admin]

Adds MetricDefinitionOverride wrapper class and measure_definition_overrides support to ExecutionDefinition in the gooddata-sdk compute model.
Problem ID: P013 | Workflow: https://github.com/gooddata/gdc-nas/actions/runs/23194184862

What changed in gdc-nas

• PR #20609 — commit 8defaf9: Added measureDefinitionOverrides field (array of MetricDefinitionOverride) to the AFM model across afm-exec-api, automation, export-controller, and metadata-api OpenAPI specs. New MetricDefinitionOverride schema with required definition (InlineMeasureDefinition) and item (AfmObjectIdentifierCore) fields, enabling per-request override of catalog metric MAQL definitions without modifying stored definitions.
• PR #20685 — commit 4265a8a: Adds what-if scenario analysis skill to gen-ai service with new WhatIfScenarioConfig, WhatIfScenarioItem, and WhatIfMeasureAdjustmentConfig schemas in the afm-exec-api OpenAPI spec. Also removes several LLM provider config schemas from that spec.

What was implemented in SDK

• Added MetricDefinitionOverride wrapper class using @define (attrs) with item: ObjId and maql: str fields, plus as_api_model() serialization method
• Updated ExecutionDefinition.__init__() with optional measure_definition_overrides: list[MetricDefinitionOverride] | None = None parameter
• Updated compute_model_to_api_model() to conditionally forward measure_definition_overrides to models.AFM
• Exported MetricDefinitionOverride from gooddata_sdk.__init__.py as part of the public API
• Added unit tests in test_compute_model.py verifying serialization correctness and absence of the field when not provided

Files modified

• packages/gooddata-sdk/src/gooddata_sdk/compute/model/execution.py
• packages/gooddata-sdk/src/gooddata_sdk/__init__.py
• packages/gooddata-sdk/tests/compute_model/test_compute_model.py

JIRA: PENDING (Jira ticket will be created after review)
Risk: Low

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 77.27%. Comparing base (4dc3f87) to head (6a09635).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1442      +/-   ##
==========================================
+ Coverage   77.24%   77.27%   +0.02%     
==========================================
  Files         227      227              
  Lines       14672    14689      +17     
==========================================
+ Hits        11334    11351      +17     
  Misses       3338     3338              

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