dotnet / dotnet/winforms

[PerMonitorV2] The more/less button icon of tabControl doesn't scale well on 300% system DPI.

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area-HDPI-PMv2
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C#
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Description

* .NET Core Version:
.NET SDK 7.0.100-alpha.1.21568.2

* Have you experienced this same bug with .NET Framework?:
Yes

**Problem description:**
Under High Dpi mode, the icon on the more/less button of TabControl is so small to see.
![TabPageIcon](https://user-images.githubusercontent.com/90816462/143372106-6d9699d9-469f-4562-a2a8-db62159bb086.png)

**Expected behavior:**
The icon should be scaled.

**Minimal repro:**
1. Open the test app on 300% DPI. [TabControl.zip](https://github.com/dotnet/winforms/files/7599870/TabControl.zip)
2. Change the ApplicationHighDpiMode to PerMonitorV2.
3. Run it.

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