Remove use of JDispatcher for JEventDispatcher
Update position.css

Tracker: #31831
http://joomlacode.org/gf/project/joomla/tracker/?action=TrackerItemEdit&tracker_item_id=31831&start=0
Merge pull request #1811 from zero-24/patch-37

[#31831] Beez3: image overflow
Merge pull request #1696 from wilsonge/jdispatcher

Remove use of JDispatcher for removal in Joomla 4.0
[#31074] Cannot call abstract method FinderIndexer::toggleTables()
[#29758] *Media Manager Maximum Upload Size
[#30692] *wrong display of attribute in readonly user field
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