added undo for deleting presentation view items. fixed scroll height of mainView sidebar.

1 files changed, 3 insertions, 3 deletions

diff --git a/src/client/views/collections/CollectionMenu.tsx b/src/client/views/collections/CollectionMenu.tsx
index 6f93bd12a..f5d64ba0d 100644
--- a/src/client/views/collections/CollectionMenu.tsx
+++ b/src/client/views/collections/CollectionMenu.tsx
@@ -36,7 +36,7 @@ import { PresBox } from "../nodes/PresBox";
 
 @observer
 export class CollectionMenu extends AntimodeMenu<AntimodeMenuProps> {
-    static Instance: CollectionMenu;
+    @observable static Instance: CollectionMenu;
 
     @observable SelectedCollection: DocumentView | undefined;
     @observable FieldKey: string;
@@ -44,9 +44,9 @@ export class CollectionMenu extends AntimodeMenu<AntimodeMenuProps> {
     constructor(props: any) {
         super(props);
         this.FieldKey = "";
-        CollectionMenu.Instance = this;
+        runInAction(() => CollectionMenu.Instance = this);
         this._canFade = false; // don't let the inking menu fade away
-        this.Pinned = Cast(Doc.UserDoc()["menuCollections-pinned"], "boolean", true);
+        runInAction(() => this.Pinned = Cast(Doc.UserDoc()["menuCollections-pinned"], "boolean", true));
         this.jumpTo(300, 300);
     }