Revert "/EmailVorschau Ansicht nur Modal"

This reverts commit ec8e4b1b5889733a1b8177ccbf6fc92022293d89.
Revert "/Konsistenz"

This reverts commit 84c9a302b063cada9f53d2668004b75a4906bdbd.
Revert "/email vorschau fehlerfrei"

This reverts commit 81b0fe3eb75a746f200b1adc68ef74e9e5c05bb8.
Revert "/edit /create + Email Vorschau"

This reverts commit f766c3a5933cce3da6ac5a6cdbb2a32980d12746.