As suggested by @apparentlymart, the tofu destroy command should ignore import blocks. So, this solution skips resolving and expanding import targets when we are running as part of the "preDestroyRefresh" mode.

Resolves #1803

Target Release

1.9.0

Checklist

• I have read the contribution guide.
• I have not used an AI coding assistant to create this PR.
• I have written all code in this PR myself OR I have marked all code I have not written myself (including modified code, e.g. copied from other places and then modified) with a comment indicating where it came from.
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Go checklist

• I have run golangci-lint on my change and receive no errors relevant to my code.
• I have run existing tests to ensure my code doesn't break anything.
• I have added tests for all relevant use cases of my code, and those tests are passing.
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