Fix to allow pipeline trigger jobs to be executed from the GitLab Workflow VSCode extension

Checklist

• I'm using the latest version of the extension (see the latest version in the right column of this page)
  • Extension version: Put your extension version here
• I'm using the latest VS Code version (find the latest version here)
  • VS Code version: Put your VS Code version here
• I'm using a supported version of GitLab (see README for the supported version)
  • GitLab version: Put your GitLab version here, or say "happens on gitlab.com"

Summary

Fix to allow pipeline trigger jobs to be executed from the GitLab Workflow VSCode extension

Steps to reproduce

Create a pipeline with a trigger job with when:manual

Try to execute the job from the extension

What is the current bug behavior?

When right-click on the trigger job there is no option to execute the job

What is the expected correct behavior?

Trigger jobs can be executed in the same manner as normal jobs

Relevant logs and/or screenshots

Possible fixes

This can be easily fixed with a simple change to the job item model. I plan to contribute the change myself