[Feature] Actionable notifications: foreground, background, destructive

[roman-rr]

PR Type

Added options for selectable items: foreground will allow to open application after select option. destructive make button in red color;

• Bugfix
• Feature
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Documentation changes
• Other... Please describe:

PR Checklist

For bug fixes / features, please check if your PR fulfills the following requirements:

• Testing has been carried out for the changes have been added
• Regression testing has been carried out for existing functionality
• Docs have been added / updated

Does this PR introduce a breaking change?

• Yes
• No

pn-actions.json example

{
  "PushNotificationActions": [
    {
      "category": "news",
      "actions": [
        {
          "id": "read", "title": "Read", "foreground": "true"
        },
        {
          "id": "skip", "title": "Skip", "destructive": "true"
        },
        {
          "id": "add", "title": "Add to list"
        }
      ]
    }
  ] 
}

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[roman-rr]

Last 3 commits a custom solution for one app and here suddenly pushed. But foreground and destructive mode still can be good cherrypicked

[dpa99c]

Thanks I have cherrypicked the relevant commit and pushed out in the 11.0.0 release