Timepicker not scrolling on mobile devices and Browser mobile view.

### Issue type

**I'm submitting a ...**

* [x] bug report
* [ ] feature request

### Issue description

**Current behavior:**
Can't scroll in timepicker unless i click one of times in mobile version.

**Expected behavior:**
Scrolling in mobile version should work as in pc version.

**Related code:**

```

```

### Other information:

**npm, node, OS, Browser**
```
npm -v: 6.14.8

node -v: 12.19.0

OS: MacOS

Browser: Chrome

Nebuler: 6.2.1
```