[TYPO3-core] RFC #13160: Bug: Datepicker doesn't work with IE8 in French

[Christian Kuhn]

Alexandre Gravel-Raymond wrote:
> Branches:
> 4.3 (fixed in trunk with the new ExtJS version)
> 
> Solution:
> Removing the use of Ext.Override() and replacing it with the code of the 
> corrected version of the function from ExtJS 3.1 makes the datepicker 
> usable again.

Committed to 4.3 rev. 7711 after my +1 on reading and testing with IE6, 
IE8 and FF3.5

Thanks for this backport!
Christian