Check specifically for the starter workspace

We've made an exception to fetch the parent folder when we're
in the vscode-codeql-starter workspace.

We'd like to make this more specific so that it doesn't interfere
with other repos.

extensions/ql-vscode/src/helpers.ts

@@ -809,7 +809,9 @@ export function getFirstWorkspaceFolder() {
 
   // For the vscode-codeql-starter repo, the first folder will be a ql pack
   // so we need to get the parent folder
-  if (firstFolderFsPath.includes("codeql-custom-queries")) {
+  if (
+    firstFolderFsPath.includes("vscode-codeql-starter/codeql-custom-queries")
+  ) {
     // return the parent folder
     return dirname(firstFolderFsPath);
   } else {