fix: BrowserWindow.fromBrowserView in multiple-BrowserView windows (#26493)

lib/browser/api/browser-window.ts

@@ -96,11 +96,7 @@ BrowserWindow.fromWebContents = (webContents: WebContents) => {
 };
 
 BrowserWindow.fromBrowserView = (browserView: BrowserView) => {
-  for (const window of BrowserWindow.getAllWindows()) {
+  return BrowserWindow.fromWebContents(browserView.webContents);
-    if (window.getBrowserView() === browserView) return window;
-  }
-
-  return null;
 };
 
 BrowserWindow.prototype.setTouchBar = function (touchBar) {

spec-main/api-browser-window-spec.ts

@@ -1634,7 +1634,7 @@ describe('BrowserWindow module', () => {
   describe('BrowserWindow.fromBrowserView(browserView)', () => {
     afterEach(closeAllWindows);
 
-    it('returns the window with the browserView', () => {
+    it('returns the window with the BrowserView', () => {
       const w = new BrowserWindow({ show: false });
       const bv = new BrowserView();
       w.setBrowserView(bv);
@@ -1645,6 +1645,22 @@ describe('BrowserWindow module', () => {
       expect(BrowserWindow.fromBrowserView(bv)!.id).to.equal(w.id);
     });
 
+    it('returns the window when there are multiple BrowserViews', () => {
+      const w = new BrowserWindow({ show: false });
+      const bv1 = new BrowserView();
+      w.addBrowserView(bv1);
+      const bv2 = new BrowserView();
+      w.addBrowserView(bv2);
+      defer(() => {
+        w.removeBrowserView(bv1);
+        w.removeBrowserView(bv2);
+        (bv1.webContents as any).destroy();
+        (bv2.webContents as any).destroy();
+      });
+      expect(BrowserWindow.fromBrowserView(bv1)!.id).to.equal(w.id);
+      expect(BrowserWindow.fromBrowserView(bv2)!.id).to.equal(w.id);
+    });
+
     it('returns undefined if not attached', () => {
       const bv = new BrowserView();
       defer(() => {