chore: Upgrade flow (#1854)

* wip: upgrade flow

* chore: More sealed props improvements

* Final fixes

app/components/Editor.js

@@ -16,14 +16,31 @@ const RichMarkdownEditor = React.lazy(() => import("rich-markdown-editor"));
 
 const EMPTY_ARRAY = [];
 
-type Props = {
+export type Props = {|
   id?: string,
+  value?: string,
   defaultValue?: string,
   readOnly?: boolean,
   grow?: boolean,
   disableEmbeds?: boolean,
   ui?: UiStore,
-};
+  autoFocus?: boolean,
+  template?: boolean,
+  placeholder?: string,
+  scrollTo?: string,
+  readOnlyWriteCheckboxes?: boolean,
+  onBlur?: (event: SyntheticEvent<>) => any,
+  onFocus?: (event: SyntheticEvent<>) => any,
+  onPublish?: (event: SyntheticEvent<>) => any,
+  onSave?: ({ done?: boolean, autosave?: boolean, publish?: boolean }) => any,
+  onCancel?: () => any,
+  onChange?: (getValue: () => string) => any,
+  onSearchLink?: (title: string) => any,
+  onHoverLink?: (event: MouseEvent) => any,
+  onCreateLink?: (title: string) => Promise<string>,
+  onImageUploadStart?: () => any,
+  onImageUploadStop?: () => any,
+|};
 
 type PropsWithRef = Props & {
   forwardedRef: React.Ref<any>,