Remove NSApplicationActivateIgnoringOtherApps

NSApplicationActivateIgnoringOtherApps is about to be deprecated.
The default behavior is good enough.

Tested on Chrome using https://wicg.github.io/conditional-focus/demo/

Bug: webrtc:15511
Change-Id: I1f59aea3d4e7c4942d17ee5c4f1b6c2d398016ee
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/321080
Commit-Queue: Johannes Kron <kron@webrtc.org>
Reviewed-by: Mark Foltz <mfoltz@chromium.org>
Auto-Submit: Johannes Kron <kron@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#40795}

modules/desktop_capture/window_capturer_mac.mm

diff --git a/modules/desktop_capture/window_capturer_mac.mm b/modules/desktop_capture/window_capturer_mac.mm
index f99b4a7..56c94ba 100644
--- a/modules/desktop_capture/window_capturer_mac.mm
+++ b/modules/desktop_capture/window_capturer_mac.mm
@@ -127,8 +127,7 @@
   // TODO(jiayl): this will bring the process main window to the front. We
   // should find a way to bring only the window to the front.
   bool result =
-      [[NSRunningApplication runningApplicationWithProcessIdentifier: pid]
-          activateWithOptions: NSApplicationActivateIgnoringOtherApps];
+      [[NSRunningApplication runningApplicationWithProcessIdentifier:pid] activateWithOptions:0];
 
   CFRelease(window_id_array);
   CFRelease(window_array);