Merge pull request #1 from mad99/master

JS-Error in Backend when in nested NodeTypes > row > column -> click on InlineEdit «create New»

Author: dimaip

Configuration/NodeTypes.yaml

@@ -9,6 +9,7 @@
 'Sfi.Grid:Row':
   superTypes:
     'TYPO3.Neos:Content': true
+    'TYPO3.Neos:ContentCollection': true
   ui:
     label: 'Grid - Row'
     group: structure
@@ -34,6 +35,7 @@
 'Sfi.Grid:Column':
   superTypes:
     'TYPO3.Neos:Content': true
+    'TYPO3.Neos:ContentCollection': true
   ui:
     label: 'Grid - Column'
     group: structure