fix: Content jump when leaving edit mode

app/stores/UiStore.js

@@ -26,6 +26,7 @@ class UiStore {
   @observable mobileSidebarVisible: boolean = false;
   @observable sidebarWidth: number;
   @observable sidebarCollapsed: boolean = false;
+  @observable sidebarIsResizing: boolean = false;
   @observable toasts: Map<string, Toast> = new Map();
   lastToastId: string;
 
@@ -97,6 +98,11 @@ class UiStore {
     }
   };
 
+  @action
+  setSidebarResizing = (sidebarIsResizing: boolean): void => {
+    this.sidebarIsResizing = sidebarIsResizing;
+  };
+
   @action
   setActiveCollection = (collection: Collection): void => {
     this.activeCollectionId = collection.id;