feat: delete all threads

[bxdoan]

Describe Your Changes

• Delete all threads and data base on issue required here by @imtuyethan
  idea: Add "Delete All Threads" functionality  #4396

Add a "Delete All Threads" button in the advanced settings

Clear warning that this action cannot be undone and will remove all conversation threads in file_path, Delete (red) and Cancel buttons for confirmation

Result information on top right app

Self Checklist

• Added relevant comments, esp in complex areas
• Updated docs (for bug fixes / features)
• Created issues for follow-up changes or refactoring needed

[louis-jan]

Hi @bxdoan, this PR looks good. Please fix all linter issues so we can proceed. CC @imtuyethan for the wording check.

[bxdoan]

Linter is good now, bro @louis-jan

[louis-jan]

@bxdoan Cool! @imtuyethan has a couple feedbacks on the component position and wording. Will leave a comment soon.

[imtuyethan]

@bxdoan

Thanks for the PR! Please help me change the order of the Factory Reset settings to the end of the page, everything else looks good!