feat: Add retractions XEP-0424
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Add text for user that retraction cannot be enforced -
nbxmpp: Check fallback and body -
Dont allow corrections or moderations of retracted messages -
Test behavior if corrected message is retracte -
change type and name of removed column -
check merge of retracted and unretracted messages -
Test with MAM and Carbons
Edited by Daniel Brötzmann