Toolbar button status on touch devices does not update for inline styles (italics, font family, etc).

[Imamudin Naseem]

Steps to reproduce

Steps to reproduce :

1. Check that the Italic is unselected.
2. Select a certain text and select Italic.
3. The selected text Italicices
4. Now, select another piece of text which is not italic. The Italic option is still selected but the selected text is not Italic.

Expected result

Whenever a text is selected toolbar is not having selections as per the formatting of selected text.

Actual result

Whenever a text is selected toolbar should have the selections as per the formatting of selected text.

Other details (browser, OS, CKEditor version, installed plugins)

This issue is reproducible only in iPad. I tried on safari and chrome(iPad 8.1.1)

[Tade0]

Even "better": at 4. if the user clicks the italic button _nothing happens_.

[Imamudin Naseem]

This happens with some other toolbar controls also, like bold, underline etc.

[kkrzton]

It also happens with font family/size dropdowns.