Use batch run id as evaluation dict's key for batch run.

[huaiyan]

Description

Use batch run id as evaluation dict's key for batch run.
https://int.ml.azure.com/prompts/trace/list?wsid=/subscriptions/96aede12-2f73-41cb-b983-6d11a904839b/resourceGroups/promptflow/providers/Microsoft.MachineLearningServices/workspaces/promptflow-canary-dev&searchText={%22batchRunId%22:%22test_main_variant_0_20240401_095544_611576%22}&tid=72f988bf-86f1-41af-91ab-2d7cd011db47
Current UX can't show eval output in LineSummary list after this change.
Because UX will update to new UI soon, we accept this breaking change.

All Promptflow Contribution checklist:

• The pull request does not introduce [breaking changes].
• CHANGELOG is updated for new features, bug fixes or other significant changes.
• I have read the contribution guidelines.
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General Guidelines and Best Practices

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Testing Guidelines

• Pull request includes test coverage for the included changes.

[github-actions]

SDK CLI Global Config Test Result dev/robbenwang_eval_key

3 tests   3 ✅  45s ⏱️
1 suites  0 💤
1 files    0 ❌

Results for commit 2f5a1a8.

♻️ This comment has been updated with latest results.

[github-actions]

promptflow SDK CLI Azure E2E Test Result dev/robbenwang_eval_key

  4 files    4 suites   4m 1s ⏱️
202 tests 182 ✅ 20 💤 0 ❌
808 runs  728 ✅ 80 💤 0 ❌

Results for commit 2f5a1a8.

♻️ This comment has been updated with latest results.

[github-actions]

SDK CLI Test Result dev/robbenwang_eval_key

   12 files     12 suites   51m 15s ⏱️
  526 tests   507 ✅ 19 💤 0 ❌
2 104 runs  2 028 ✅ 76 💤 0 ❌

Results for commit 2f5a1a8.

♻️ This comment has been updated with latest results.