refactor: sort out some error handling

[ClementTsang]

Description

A description of the change, what it does, and why it was made. If relevant (such as any change that modifies the UI), please provide screenshots of the changes:

Issue

If applicable, what issue does this address?

Closes: #

Testing

If relevant, please state how this was tested. All changes must be tested to work:

If this is a code change, please also indicate which platforms were tested:

• Windows
• macOS
• Linux

Checklist

If relevant, ensure the following have been met:

• Areas your change affects have been linted using rustfmt (cargo fmt)
• The change has been tested and doesn't appear to cause any unintended breakage
• Documentation has been added/updated if needed (README.md, help menu, doc pages, etc.)
• The pull request passes the provided CI pipeline
• There are no merge conflicts
• If relevant, new tests were added (don't worry too much about coverage)

[codecov]

Codecov Report

Attention: Patch coverage is 56.18557% with 85 lines in your changes are missing coverage. Please review.

Project coverage is 42.88%. Comparing base (ee2e1fe) to head (78e96ba).

Files	Patch %	Lines
src/app/query.rs	0.00%	18 Missing ⚠️
src/utils/error.rs	14.28%	18 Missing ⚠️
src/utils/error/collection.rs	0.00%	12 Missing ⚠️
src/options.rs	84.72%	11 Missing ⚠️
src/data_collection/processes/linux.rs	0.00%	7 Missing ⚠️
src/utils/error/config.rs	53.84%	6 Missing ⚠️
src/app.rs	0.00%	2 Missing ⚠️
src/app/process_killer.rs	0.00%	2 Missing ⚠️
src/data_collection/processes/unix/user_table.rs	0.00%	2 Missing ⚠️
src/data_collection/temperature/linux.rs	0.00%	2 Missing ⚠️
... and 5 more

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1475      +/-   ##
==========================================
+ Coverage   40.94%   42.88%   +1.94%     
==========================================
  Files          99       88      -11     
  Lines       17462    16638     -824     
==========================================
- Hits         7149     7135      -14     
+ Misses      10313     9503     -810     

Flag	Coverage Δ
macos-12	?
ubuntu-latest	42.88% <56.18%> (-0.02%)	⬇️
windows-2019	?

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