Fix error from "Open Query Results" button

extensions/ql-vscode/CHANGELOG.md

@@ -4,6 +4,7 @@
 
 - Add the _Add Database Source to Workspace_ command to the right-click context menu in the databases view. This lets users re-add a database's source folder to the workspace and browse the source code. [#891](https://github.com/github/vscode-codeql/pull/891)
 - Fix markdown rendering in the description of the `codeQL.cli.executablePath` setting. [#908](https://github.com/github/vscode-codeql/pull/908)
+- Fix the _Open Query Results_ command in the query history view. [#909](https://github.com/github/vscode-codeql/pull/909)
 
 ## 1.5.1 - 23 June 2021
 

extensions/ql-vscode/src/query-history.ts

@@ -499,13 +499,13 @@ export class QueryHistoryManager extends DisposableObject {
     if (
       prevItemClick !== undefined &&
       now.valueOf() - prevItemClick.time.valueOf() < DOUBLE_CLICK_TIME &&
-      singleItem == prevItemClick.item
+      finalSingleItem == prevItemClick.item
     ) {
       // show original query file on double click
-      await this.handleOpenQuery(singleItem, [singleItem]);
+      await this.handleOpenQuery(finalSingleItem, [finalSingleItem]);
     } else {
       // show results on single click
-      await this.invokeCallbackOn(singleItem);
+      await this.invokeCallbackOn(finalSingleItem);
     }
   }