feat(stepfunctions): Start Execution launching Execution Details

[l0minous]

Problem

Currently Start Execution only outputs the execution arn to the output

Solution

Adding a call to execution detail provider after starting an execution, launching the execution details webview ( Also works with express executions )

Verification

---

• Treat all work as PUBLIC. Private feature/x branches will not be squash-merged at release time.
• Your code changes must meet the guidelines in CONTRIBUTING.md.
• License: I confirm that my contribution is made under the terms of the Apache 2.0 license.

[github-actions]

• This pull request modifies code in src/* but no tests were added/updated.
  • Confirm whether tests should be added or ensure the PR description explains why tests are not required.
• This pull request implements a feat or fix, so it must include a changelog entry (unless the fix is for an unreleased feature). Review the changelog guidelines.
  • Note: beta or "experiment" features that have active users should announce fixes in the changelog.
  • If this is not a feature or fix, use an appropriate type from the title guidelines. For example, telemetry-only changes should use the telemetry type.

[anthonyting]

should we instead mimic the console experience? i.e. by default it replaces the current tab, and an option to open in a new tab?

[zelzhou]

should we instead mimic the console experience? i.e. by default it replaces the current tab, and an option to open in a new tab?

My suggestion is to keep it as is, and once we connected the New Execution button in the Execution Details page with the Vue StartExecution view, we can switch to replace the current tab and customers can use the New Execution button to start a new execution.

[zelzhou]

I believe you will need to include a changelog for this change.

[laileni-aws]

LGTM, Thanks for adding demo video