Select Mesh window remains open in the particle system even when performing the undo action.

In the particle system, under the Renderer parameter, for Mesh Renderer Mode, “Select Mesh Window” remains open even after performing undo operation. Similarly, other dropdown select windows for particle system also remain open like
Select Texture 2D for shape parameter,
Select Particle system window for Sub Emitters parameter,
Select Light window for Light parameter,

Steps to repro:
1. Create a New Project.
2. Hierarchy > Effects > Particle system.
3. Particle System > Inspector > Renderer > Renderer Mode > Mesh
4. Meshes > Open Select Mesh window
5.Edit > Undo Selection Change
6.Observe the Select Mesh window remain open

Actual result:
Select Mesh window remain open even after performing undo operation.

Expected result:
Select Mesh window should close as soon as undo operation is performed.

Reproducible in:
2021.2.0a15, 2021.1.6f1, 2020.3.7f1, 2019.4.25f1, 2018.4.34f1

Environment:
Occurring on Mac 11.2.3