fix: Improve error handling and ensure coroutines continue correctly in case of failure

[lkk214]

Description

• Improve error handling and ensure coroutines continue correctly in case of failure.
• Simplify isInjectedFile logic and reduce unnecessary closures.
• Ensure CancelAutocompleteAction updates on EDT.
• Ensure that the state is cleared after refresh, and files->uris when the file changes.

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[Patrick-Erichsen]

@lkk214 sorry for the delay in review here! I resolved the merge conflict that was on this PR and pushed up the changes, just needed to handle some updated object restructuring logic for apply.

Before we merge, mind providing a few manual testing instructions for me to walk through the changes? Looks good overall but worth a double check.

[lkk214]

@Patrick-Erichsen Thanks for resolving the merge conflict.
I have updated the code and verified no issues and it is expected.

[Patrick-Erichsen]

Hi @lkk214 , apologies for the delay here! We've been pretty busy preparing for the 1.0 launch the last few weeks.

The failing tests are likely just flake here. If you could get the merge conflict resolved I'd love to still get this PR merged. Also lmk if there's anything I can do to verify the changes/any tests that might be helpful here. Appreciate the work!

[lkk214]

Hi @Patrick-Erichsen , first of all, congratulations on launching version 1.0, really great work.
I've resolved the merge conflicts and made minor adjustments to the code just to avoid unexpected errors from multiple resumes.

[Patrick-Erichsen]

Appreciate the kind words @lkk214 , and thanks again for the improvements here! Very much appreciated