Disable Indeterminate animation when hiding ProgressBar #6266
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Fixes #6264
Description
Disable Indeterminate animation when hiding ProgressBar. Fixes a performance regression introduced in Aero2 theme (Windows 8 or newer)
Customer Impact
Better performance when hiding an indeterminate progress bar with the theme Aero2.
Regression
Performance regression introduced in Aero2 theme (Windows 8 or newer).
Testing
Tested with the sample in #6264 and a combination of Visibility and Indeterminate to validate that this PR does not break existing behavior.
Risk
Low.