Ext4: add Binding.EditWindow

used by Grid.EditWindow and can also be used to create EditWindows without grid
Only add this._loadedStore to sync-queue if existant

Else it resulted in an error in _startSync of StoreSyncQueue because
store is undefined.
AutoSync also saves record if no store set

If there is no store set record.save() is called to save to server
ConstrainHeader for Controller.EditWindow to ensure it don't get stuck
Merge branch '3.7-editWindow' into 3.7

Conflicts:
	Kwf_js/Ext4/Controller/Grid/EditWindow.js
if the baseUrl doesn't match the configured one direclty print error msg instead of exception

- at this point autoloader is not yet set up so printing the exception fails
- if error log is enabled the details won't be visible
kwc/render: don't empty GET and REQUEST

this allows using parameters like:
/kwf/util/kwc/render?url=...&foo=123
and not just as part of url:
/kwf/util/kwc/render?url=...%26foo=123
Remove autoSync from grid.EditWindow because it isn't used anymore
Call onContentReady handlers also on widthChange

To keep compatibility in general and especially to make clearCachedWidth work again
Remove unneeded / in .htaccess
Enable or-expr and equal-expr for solr-fulltext-search

If more is needed please implement
fix test

dependencies changed with e9d0c191bb5e2a66dc5b1ac75ef5027d60f41a3e