ID 416104 - Short freeze when a pie menu is revealed

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Problem summary
Short freeze when a pie menu is revealed

Customer reported version
modo.11.2v3

Customer reported platform
windows10

Steps to reproduce
1) Open Modo.
2) Hold "Ctrl" and click the sphere tool to create a unit sphere.
3) Hold alt + right click and spin the viewport; it should start revolving around the sphere.
4) Press Ctrl + Space to reveal a pie menu.
Result: Modo should freeze very briefly. If not, move the camera around in the scene and repeat steps 3-4 until the issue occurs.

Expected behaviour
Revealing a pie menu should not cause the viewport to freeze.

Actual behaviour
Revealing a pie menu can cause the viewport and even other windows to freeze very briefly.

Workaround
Unknown.

Reproduced by support
This bug has been reproduced in:
13.2v1 - Windows 10 (RTX 2080 Super, GTX 1070, Quadro M4000), OSX 10.14.6 (Radeon Pro Vega 20)
13.1v1 - Windows 10 (RTX 2080 Super)
13.0v1 - Windows 10 (RTX 2080 Super)
12.2v2 - Windows 10 (RTX 2080 Super)
12.2v1 - Windows 10 (RTX 2080 Super)
12.1v2 - Windows 10 (RTX 2080 Super)
12.0v1 - Windows 10 (RTX 2080 Super)
11.2v3 - Windows 10 (RTX 2080 Super)
11.2v1 - Windows 10 (RTX 2080 Super)
11.1v1 - Windows 10 (RTX 2080 Super)
11.0v3 - Windows 10 (RTX 2080 Super)
10.2v4 - Windows 10 (RTX 2080 Super), OSX 10.14.6 (Radeon Pro Vega 20)

Earliest version tested
10.2v4 - Windows 10 (RTX 2080 Super), OSX 10.14.6 (Radeon Pro Vega 20) - This issue appears to be in all versions of the product

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