"Size" property input fields are misaligned when a preset of "Custom Render Texture" is created and "X" also misplaced, refer attached screenshot.

Steps to repro:
1. Create a new project
2. Project > Create > Custom Render Texture
3. Create Preset of Custom Render Texture
4. Select "CustomRenderTexture" preset in the Project window

Actual Result:
Size property input fields are misaligned and "X" also misplaced

Expected Result:
Size property input fields should be aligned

Note: Preset functionality introduced in Unity 2018.1

Reproducible in:
2020.1.0a18, 2019.3.0f5, 2019.2, 2019.1, 2018.4, 2018.1

Environment:
Windows 10 & macOS 10.14