electron: Frameless window height cannot be lower than 39 on Windows

Preflight Checklist

• I have read the Contributing Guidelines for this project.
• I agree to follow the Code of Conduct that this project adheres to.
• I have searched the issue tracker for a feature request that matches the one I want to file, without success.

Electron Version

15.1.2

What operating system are you using?

Windows

Operating System Version

Windows 10 Enterprise 1909

What arch are you using?

x64

Last Known Working Electron version

No response

Expected Behavior

Window height should be 25

Actual Behavior

Window height is 39

Testcase Gist URL

No response

Additional Information

const { app, BrowserWindow } = require('electron');

app.on('ready', () => {
  const win = new BrowserWindow({
    width: 400,
    height: 25,
    frame: false,
    show: false,
    thickFrame: false,
  });

  win.loadURL('https://github.com').then(() => {
    win.webContents.executeJavaScript(
      'document.body.innerHTML = innerHeight;' +
      'document.body.style.boxShadow = "inset 0 0 0 1px lightblue";');
  });

  win.once('ready-to-show', () => {
    win.show();
    win.setSize(400, 25);
  });
});