[Test] Enable scan compile RNN tests on Windows

[vmoens]

Stack from ghstack (oldest at bottom):

• [Doc] Migrate shifted=True callers to legacy/compact + docstring polish #3776
• [Example] Expose compact GAE cat dimension #3775
• [Example] Add Isaac RNN PPO rollout mode flags #3769
• [Example] Isaac Lab RNN PPO with compact memory + knowledge-base notes #3763
• [BugFix] Fix GAE compact path bias on recurrent value nets at internal truncations #3771
• -> [Test] Enable scan compile RNN tests on Windows #3770
• [Refactor] Simplify LSTM/GRUModule recurrent-mode shape normalization #3768
• [Refactor] Keep [B, T] dim in value estimators #3767
• [Feature] Collector.fake_tensordict() / MultiCollector.fake_tensordict() #3764
• [Feature] MultiCollector: track policy version per fresh continue command #3759
• [BugFix] GAE shifted=True: tolerate missing next obs, non-canonical strides, docs #3757
• [Feature] timeit.mark_start/mark_end for non-context-manager timing #3762
• [BugFix] PolicyVersion: int64 dtype + preserve tensordict device #3755
• [Performance] LSTM/GRU scan: canonical strides + cuDNN flat-storage clones + thread-local recurrent mode #3754
• [BugFix] Recurrent policy auto-register with policy_factory #3753

[pytorch-bot]

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❌ 3 New Failures, 3 Unrelated Failures

As of commit d52e1f7 with merge base 0a01ee8 ():

NEW FAILURES - The following jobs have failed:

• Build Windows Wheels / pytorch/rl / build-wheel-py3_10-cpu (gh)
  Process completed with exit code 1.
• Libs Tests on Linux / unittests-gym (3.10, 12.8) / linux-job (gh)
  test/libs/test_gym.py::TestGym::test_set_seed_and_reset_works
• Unit-tests on Linux / tests-gpu (3.12, 13.0, 2) / linux-job (gh)
  test/test_collectors.py::TestUpdateParams::test_param_sync_mixed_device[SharedMemWeightSyncScheme-cpu-env_device0-False-MultiAsyncCollector]

FLAKY - The following jobs failed but were likely due to flakiness present on trunk:

• Build Windows Wheels / pytorch/rl / upload / upload-wheel-py3_10-cpu (gh) (detected as infra flaky with no log or failing log classifier)
• Unit-tests on Linux / tests-stable-gpu-distributed (3.12, 13.0) / linux-job (gh) (detected as infra flaky with no log or failing log classifier)
• Unit-tests on Windows / unittests-cpu (3.10, windows.4xlarge, cpu) / windows-job (gh) (detected as infra flaky with no log or failing log classifier)

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