abnormal sound output on UMG animation track

Sound repeated at initial frame only on 4.27.

it was worked fine on 4.26 and 4.25

It is probably a side effect caused by the sequencer changes below.​
 

Sequencer: Move Finalization phase back onto the evaluating thread

https://github.com/EpicGames/UnrealEngine/commit/48602adac643f824dd2e3f92ab8a02021661fea7

Sequencer: Legacy track templates are now run before PostEvaluation

https://github.com/EpicGames/UnrealEngine/commit/aeb68cc7fc67da77f737e808e7c2fdfe9af7578d

 
open attached sample projects and start play in editor mode
Please refer to attached test results(.mp4) and sample projects (.zip)

Test Result in 4.27 : Sound repeated at initial frame only 

Test Result in 4.25, 4.26 : Sound is being played .

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