SystemServer: Add the all-mice device in /dev/input/mice path

Author: https://github.com/supercomputer7
Commit: https://github.com/SerenityOS/serenity/commit/97166a5570
Pull-request: https://github.com/SerenityOS/serenity/pull/21357
Reviewed-by: https://github.com/ADKaster ✅

Userland/Services/SystemServer/main.cpp

@@ -133,6 +133,7 @@ static ErrorOr<void> prepare_bare_minimum_devtmpfs_directory_structure()
     TRY(Core::System::create_char_device("/dev/null"sv, 0666, 1, 3));
     TRY(Core::System::create_char_device("/dev/full"sv, 0666, 1, 7));
     TRY(Core::System::create_char_device("/dev/random"sv, 0666, 1, 8));
+    TRY(Core::System::create_char_device("/dev/input/mice"sv, 0666, 12, 0));
     TRY(Core::System::create_char_device("/dev/console"sv, 0666, 5, 1));
     TRY(Core::System::create_char_device("/dev/ptmx"sv, 0666, 5, 2));
     TRY(Core::System::create_char_device("/dev/tty"sv, 0666, 5, 0));