Fix ESLint errors and warnings

Problem/Motivation

With having the pipelines running, we can now see and fix errors and warnings.

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These are the current ESLint errors and warnings 
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$ $CI_PROJECT_DIR/$_WEB_ROOT/core/node_modules/.bin/eslint --no-error-on-unmatched-pattern --ignore-pattern="*.es6.js" --resolve-plugins-relative-to=$CI_PROJECT_DIR/$_WEB_ROOT/core --ext=.js,.yml $_ESLINT_EXTRA . || true
/builds/project/lb_aos/web/modules/custom/lb_aos/lb_aos.services.yml
  6:1  error  Expected indentation of 6 spaces but found 4 spaces  yml/indent
✖ 1 problem (1 error, 0 warnings)
  1 error and 0 warnings potentially fixable with the `--fix` option.

Steps to reproduce

See https://git.drupalcode.org/project/lb_aos/-/jobs/6842147

Proposed resolution

Fix the issues

Remaining tasks

Create and merge MR

User interface changes

N/A

API changes

N/A

Data model changes

N/A