[Dev] fix(offloading): Accuracy mismatch when offloading and recomputing same module

[lhb8125]

What does this PR do ?

PR for main
This PR is to fix an accuracy issue that when offloading and recomputing the same module, the loss will have some discrepancy with the baseline.

Loss

Grad norm

⚠️ For major changes (either in lines of code or in its impact), please make sure to first share discuss a design-doc with the team.

Contribution process

flowchart LR
    A[Pre-checks] --> B[PR Tests]
    subgraph Code Review/Approval
        C1[Expert Review] --> C2[Final Review]
    end
    B --> C1
    C2 --> D[Merge]

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Pre-checks

• I want this PR in a versioned release and have added the appropriate Milestone (e.g., Core 0.8)
• I have added relevant unit tests
• I have added relevant functional tests
• I have added proper typing to my code Typing guidelines
• I have added relevant documentation
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[yanring]

@lhb8125 Could you add some explanation for this in the desc? thanks!

[lhb8125]

/ok to test 5001e2b

[lhb8125]

/ok to test 4d83f69