Fix VSCode workflow failure when release is aborted (#371)

* Initial plan

* Fix: Skip VSIX_PATH step when release is aborted

Add conditional check and defensive directory validation to prevent workflow failure when changesets exist and build steps are skipped.

Co-authored-by: itsdouges <6801309+itsdouges@users.noreply.github.com>

* Remove defensive directory check per review feedback

Keep the conditional check but remove the directory existence validation since we can assume the directory exists if previous steps ran successfully.

Co-authored-by: itsdouges <6801309+itsdouges@users.noreply.github.com>

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Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: itsdouges <6801309+itsdouges@users.noreply.github.com>

Author: Copilot

.github/workflows/release-vscode.yml

@@ -69,6 +69,7 @@ jobs:
 
       - name: Read vsix
         id: vsix_version
+        if: steps.check.outcome == 'success'
         working-directory: apps/vscode/out
         run: echo "VSIX_PATH=$(find . -name "*.vsix" -print -quit)" >> $GITHUB_ENV