Avoid problem on IE9+ where the link dialog opens then closes immediately the first time a link is double clicked.  It stems from a problem on IE9+ where the focusout event on the <iframe> comes after the focusin event on the <input> in the link dialog.   Fixes #16928 !strict.
Avoid problem on IE9+ where the link dialog opens then closes immediately the first time a link is double clicked.  It stems from a problem on IE9+ where the focusout event on the <iframe> comes after the focusin event on the <input> in the link dialog.   Fixes #16928 !strict.

git-svn-id: 674a2d6b1e32e53f607eb824547723f32280967e@31074 560b804f-0ae3-0310-86f3-f6aa0a117693

Sam-Cummins/delite,Sam-Cummins/delite,kitsonk/delite,kitsonk/delite,harbalk/delite,harbalk/delite