fix: ignore possible errors when closing positions due to rewards ca…

[kerber0x]

…lculations

Description and Motivation

This PR allows users closing positions on incentives even if an error occurs when calculating rewards as they are closing the position anyway.

Related Issues

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Checklist:

• I have read Migaloo's contribution guidelines.
• My pull request has a sound title and description (not something vague like Update index.md)
• All existing and new tests are passing.
• I updated/added relevant documentation.
• The code is formatted properly cargo fmt --all --.
• Clippy doesn't report any issues cargo clippy -- -D warnings.
• I have regenerated the schemas if needed cargo schema.

[nseguias]

Looks good to me