Fix NPE when opening DevTools

src/patcher.ts

@@ -20,6 +20,10 @@ class BrowserWindow extends electron.BrowserWindow {
     }
 }
 Object.assign(BrowserWindow, electron.BrowserWindow);
+// esbuild may rename our BrowserWindow, which leads to it being excluded
+// from getFocusedWindow(), so this is necessary
+// https://github.com/discord/electron/blob/13-x-y/lib/browser/api/browser-window.ts#L60-L62 
+Object.defineProperty(BrowserWindow, "name", { value: "BrowserWindow", configurable: true });
 
 // Replace electrons exports with our custom BrowserWindow
 const electronPath = require.resolve("electron");