refactor: speed code change

[Goredell]

Checklist

Mandatory

• I wrote the PR title in
  conventional commit format.
• I ran the
  code formatter.
• I linked any relevant issues using
  github keyword syntax
  like closes #1234 in Summary of the PR so it can be closed
  automatically.
• I've
  committed my changes to new branch that isn't main
  so it won't cause conflict when updating main branch later.
• I understand that, unless specified otherwise,
  my contributions will fall under the AGPL v3.0 and/or CC-BY-SA 4.0 licenses

Optional

• This is a C++ PR that modifies JSON loading or behavior.
  • I have documented the changes in the appropriate location in the doc/ folder.
  • If documentation for this feature does not exist, please write it or at least note its lack in PR description.
  • New localizable fields need to be added to the lang/bn_extract_json_strings.sh script if it does not support them yet.
  • If applicable, add checks on game load that would validate the loaded data.
  • If it modifies format of save files, please add migration from the old format.

Purpose of change (The Why)

• Part of Make activities take into account of more factors #6002
• Aims to simplify and unify code behaviour regarding activities, JSON'ise some settings and add more vebose mesaage box,

Describe the solution (The How)

TODO

Testing

When PR is out of draft it aims not to change basic behavior balance-wise. Which means game basically should work the same way.

Additional context

[scarf005]

refactor musn't change original behavior. i think you meant feat?