Dropping link on inputs pastes anchor text instead of URL

Dragging link from QWebView and dropping it onto for example text INPUT (in the same QWebView) pastes anchor text instead of URL. All major web browsers paste URL instead.
This applies only to links dragged from QWebView, dropping link from other browsers to QWebView works as expected, pastes URL.

Original bug report:
https://github.com/Emdek/otter/issues/380