reset predeploy deletions when cancelling redeploy (#3879)

dashboard/src/main/home/app-dashboard/app-view/AppDataContainer.tsx

@@ -333,6 +333,7 @@ const AppDataContainer: React.FC<AppDataContainerProps> = ({ tabParam }) => {
       }),
       source: resetSource,
       deletions: {
+        predeploy: [],
         envGroupNames: [],
         serviceNames: [],
       },