"Нажмите для просмoтра профиля" tooltip is cut on the left side

Preconditions:

• find or create a user with a short name, consisting of 1-4 letters (f.ex."12")
• select Russian language

Steps to reproduce:

1. Go to the topic, where this user had posted any post
2. Move the cursor to the name of the User

Actual Result: the tooltip "Нажмите для просмoтра профиля" is shown cut on the left (see screenshot attached)
Expected Result: the whole tooltip should be seen (as it happens in English and Ukranian languages)