Escape does not abort the running of the workflow

**Describe the bug**
A clear and concise description of what the bug is.

**To Reproduce**
Steps to reproduce the behavior:
1. Run a workflow
2. When the dialog pops open to enter a parameter, hit escape
3. It keeps on going to the next parameter and eventually the job is run

**Expected behavior**
Hitting escape should terminate the running of the workflow while entering parameters as per the prompt in the popup

**Screenshots**

**Extension Version**
`0.27.2`

**Additional context**
Another issue found:
When the prompt is shown, if the IDE loses focus due to a global mac keyboard shortcut (I was popping open a clipboard tool to paste in a value into one of the parameters), it skips that step (not sure if it entered a value or just treated it as if I hit enter). The keystroke I used BTW was Shift+Cmd+C

Reproduce the issue in the VS Code extension by running a workflow that prompts for parameters, then pressing Escape or switching IDE focus. Start by tracing the parameter prompt and its keyboard/focus handling; done means Escape aborts the workflow and losing focus does not advance to the next parameter.

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