Time Picker improvements

[DzmitryTrubchyk]

As is

In the dropdown, click to top button increases value

As should be

Click top button decreases value

Proposes swap arrow actions in dropdown, following the most popular behavior

eg, Ant https://ant.design/components/time-picker

iOS

custom picker based on UUI

[AlekseyManetov]

Closed according to #2450. We've decided to try to open native time picker on mobile devices as a first step. After that, we will investigate if current implementation of TimePicker body for desktops is OK or not and decide how to improve it.