Context Panel animation bug

[jgphilpott]

Description

There is a small animation bug that occurs if a user attempts to open a new context panel before the closing animation is finished for the previous one.

Reproduction

This is easiest to reproduce using the mesh context panel. Simply attempt to repeatedly open the context panel.

Expected Behavior

The new opening animation should run smoothly even if the closing animation for the previous panel has not yet completed.

Screenshots

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Environment

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Extra

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