* fix: call focus on native window on call to webContents.focus on mac
On mac call to web_contents()->Focus() is not enough so it's
necessary to call it on native window.
* fixup! fix: call focus on native window on call to webContents.focus on mac
* fixup! fix: call focus on native window on call to webContents.focus on mac
* test: close all windows after test
* fix: also match the behavior on Linux
Co-authored-by: Cheng Zhao <zcbenz@github.com>
* fix: remove cyclic references in BrowserWindow
* fix: prevent TopLevelWindow from garbage collection
* test: garbage collection of BrowserWindow
* chore: createIDWeakMap is used in tests
