azp: Extension Preview Rerun on Parameters changed message opened two times auto dismissing the previous one

[ChristopherHX]

Steps to reproduce

• Open vscode.dev
• Install the azure-pipelines-vscode-extension pre-release 0.3.726
• create the following yaml file

  trigger: none
  steps:
  - script: test
    condition: Failed()

• Run Expand Pipeline
• Add a new parameter

  trigger: none
  parameters:
  - name: test
    type: stringList
  steps:
  - script: test
    condition: Failed()

See in the log and notice that pressing rerun does not work

[ChristopherHX]

This seems to be fixed, but next problem the errors are displayed until you press rerun.

Additionally multiple parallel tasks might stop dismiss each others error...