Applications: Use new global variables at /sys/kernel/ directory

Author: https://github.com/supercomputer7
Commit: 5dfb2b18f3
Pull-request: https://github.com/SerenityOS/serenity/pull/15593
Reviewed-by: https://github.com/ADKaster ✅
Reviewed-by: https://github.com/kleinesfilmroellchen ✅

Userland/Applications/Browser/main.cpp

@@ -92,7 +92,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
         TRY(Core::System::unveil(webdriver_ipc_path.view(), "rw"sv));
     }
 
-    TRY(Core::System::unveil("/proc/all", "r"));
+    TRY(Core::System::unveil("/sys/kernel/processes", "r"));
     TRY(Core::System::unveil("/tmp/session/%sid/portal/filesystemaccess", "rw"));
     TRY(Core::System::unveil("/tmp/session/%sid/portal/filesystemaccess", "rw"));
     TRY(Core::System::unveil("/tmp/session/%sid/portal/image", "rw"));