[fix] Correcting 5268 In User Notes if we try to add the note using toggle editor then data is not saved

New PR replacing https://github.com/joomla/joomla-cms/pull/5268 

test instructions:
#### Steps to reproduce the issue
1. Go to the User User Notes module and create new record.
2. Save the Note using toggle editor.
3. Record is not saved.
Or
1. Create User notes by filling all the fields.
2. Edit the user not and add the record.
3. Click on save button.![screen shot 2014-10-17 at 02 18 50](http://issues.joomla.org/uploads/1/c4a03ec15a57c18a9d972a6b5e47e6ca.jpg)

#### Expected result
Data should be save using toggle editor.


#### Actual result
Data is not saved using toggle editor.