Preserve focus on results viewer when showing location

This preserves the focus on the results viewer when showing a location
to ensure that the user can navigate to the next result without having
to click or change the focus to the results viewer first. This allows
the user to quickly navigate through the results.

Author: koesie10

extensions/ql-vscode/src/databases/local-databases/locations.ts

@@ -128,6 +128,8 @@ export async function showLocation(location?: Location) {
           // avoid preview mode so editor is sticky and will be added to navigation and search histories.
           preview: false,
           viewColumn: ViewColumn.One,
+          // Keep the focus on the results view so that the user can easily navigate to the next result.
+          preserveFocus: true,
         });
 
   const range = location.range;