When pocket use his third spell after silnce glyph just damaged him he still able to hide

[emoboy4ik]

To reproduce
1.Open game
2.Click play
3.Click sandbox
4. choose any hero
5.add bot pocket
6.buy silence glyph in curosity shop
7.follow bot mimic
8.use silence glyph on bot
9.instantly make pocket use third spell
expected result:After uses silence glyph and damaged pocket The effect should begin immediately
actual result:After uses silence glyph and silence glyph entity hit pocket and cause damage he still have window when he is able to press third spell