Youtube polymer engine fixes

Some fixes for Youtube polymer engine

< Feedback on Youtube polymer engine fixes

Review: قالتىس - قوليازما ئىشلەيدۇ

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يوللانغان ۋاقتى: 2021-07-16

Nice job. I have been using your script for long. Please keep going.

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جاۋاب قايتۇرۇش ئۈچۈن كىرىش.