Supports to nested inclusion deeper than 3 level

[Jeff-Tian]

Describe the bug

When the nested inclusion is deeper than 3 levels, the most nested included file wasn't included in the outer most file.

Reproduction

• Create a nested inclusion deeper than three levels
• Go to the outermost file
• The deepest file's content won't show up

Expected behavior

The deepest file's content should show up

System Info

System:
    OS: macOS 13.4.1
    CPU: (10) x64 Apple M1 Pro
    Memory: 11.29 MB / 16.00 GB
    Shell: 5.9 - /bin/zsh
  Binaries:
    Node: 18.3.0 - ~/.nvm/versions/node/v18.3.0/bin/node
    Yarn: 1.22.19 - ~/.yarn/bin/yarn
    npm: 8.11.0 - ~/.nvm/versions/node/v18.3.0/bin/npm
    pnpm: 8.6.5 - ~/.nvm/versions/node/v18.3.0/bin/pnpm
    Watchman: 2023.05.08.00 - /opt/homebrew/bin/watchman
  Browsers:
    Chrome: 114.0.5735.198
    Safari: 16.5.1

Additional context

No response

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