Several draft versions are created in a short space of time

Steps to reproduce

Several draft versions are created when a Dailog has been opened from TinyMCE

1.  Goto All properties mode

2. Click inside a TinyMCE property

3. Open e.g. the Html mode

4. Do some change and click OK

5. Click outside the Editor

6. Go back to On Page Edit mode

7. Click the Publish button

Wait a few seconds, a new draft will be created

Note: This won't happened every time

Second scenario

1. Go to all properties mode
2. Set the cusrsor on a link inside a tinyMCE editor
3. Click outside the editor, the green focus indicator disappears but the Link button is still active
4. Click the "Insert/Edit Link" button and modify the link title.
5. Publish the page

The problem is that we do not get the Blur event from the editor when a popup has been shown, and in the case when you have modified the content the currently ongoing editing operation will not end