fix: #1747, rich text in arrays improperly updating initialValue when moving rows

src/admin/components/forms/field-types/RichText/RichText.tsx

@@ -207,12 +207,12 @@ const RichText: React.FC<Props> = (props) => {
   }, [loaded, readOnly]);
 
   useEffect(() => {
-    // If there is a change to the initial value, we need to reset Slate
-    // to the new initial value, and clear selection
+    // If there is a change to the initial value, we need to reset Slate history
+    // and clear selection because the old selection may no longer be valid
+    // as returned JSON may be modified in hooks and have a different shape
     if (Array.isArray(initialValue) && initialValue.length > 0) {
       if (editor.selection) ReactEditor.deselect(editor);
       editor.history = { redos: [], undos: [] };
-      editor.children = initialValue;
     }
   }, [initialValue, editor]);