A Text Gameobject which is linked to itself cause Editor to exit when overflow dropdown is changed from Linked to any other option from the dropdown also StackOverflowException thrown and editor freezes sometimes without exits. Refer attached video.

Steps to repro:
1. Create a new project
2. Window > TextMeshPro > Import TMP Essential Resources
3. Hierarchy > right-click > 3D Object > Text - TextMeshPro
4. Click on "TextMeshPro Text" object in Hierarchy
5. Select the "Linked" option from "Overflow" drop-down under "Text Mesh Pro UGUI (Script)" component in Inspector
6. Linked Same Text (TMP) object or Darg and Drop Text(TMP) from Hierarchy
7. Change the Overflow Dropdown options

Actual Result:
Editor exits when "Overflow" property is changed from dropdown of a Text Gameobject which is linked to itself.

Expected Result:
Any Property from Overflow dropdown can be selected of a self linked text object without causing the editor to exit or self linking should be blocked with a warning message.

Reproducible in:
2019.3.0a12, 2019.2.1f1, 2019.1.0f2, 2018.3.0f2

Package Version reproducible: 2.0.1, 1.4.1, 1.3.0, 1.2.0

Environment:
Windows 10 and macOS 10.14