Tolerate errors when attempting to fetch metadata for some CreateKinds

[DrChat]

Summary of the Pull Request

Fixing an error encountered in prod:

task failed. exit_status:ExitStatus { Code = 1, Signal = , Success = False }

ERROR [onefuzz_task::managed::cmd] error running task: Failure in monitor_inputs

Caused by:
    0: checking metadata for file
    1: The system cannot find the file specified. (os error 2)

PR Checklist

• Applies to work item: #xxx
• CLA signed. If not, go over here and sign the CLI.
• Tests added/passed
• Requires documentation to be updated
• I've discussed this with core contributors already. If not checked, I'm ready to accept this work might be rejected in favor of a different grand plan. Issue number where discussion took place: #xxx

[codecov-commenter]

Codecov Report

Merging #3393 (acebd02) into main (8980988) will decrease coverage by 0.01%.
The diff coverage is 75.00%.

@@            Coverage Diff             @@
##             main    #3393      +/-   ##
==========================================
- Coverage   34.68%   34.68%   -0.01%     
==========================================
  Files         302      302              
  Lines       36920    36923       +3     
==========================================
+ Hits        12805    12806       +1     
- Misses      24115    24117       +2     

Files Changed	Coverage Δ
src/agent/onefuzz/src/monitor.rs	79.78% <75.00%> (-1.54%)	⬇️

[chkeita]

Make sure to run check-pr before merging.