Bug: the phrase «start typing to search template» on admin product page is untranslatable (and my fix)

[dmitrii-fediuk]

The bug is very similar to #1952
My fix: https://mage2.pro/t/topic/88

[piotrekkaminski]

internal issue MAGETWO-44054

[vkholoshenko]

The team has processed this ticket 0d85b24. Thanks for reporting!