Closes #132

related to #143

This issue happens in GNOME Shell 40 and higher
when dash is disabled.

To fix that we push window preview 24 pixel higher (almost
the same height as the the window caption).

set_size_request is racy and sometimes it doesn't set the size,
so using set_default_size can fix that

Closes #130

Updated spanish translations

See merge request !16

Related to #130

Fixes #116

Feature: Add looking glass dialog size

See merge request !14

Update Russian translation

See merge request !15

Fixes #129