Blogging Prompts: connect functionality and UI

[ScoutHarris]

Items that need addressing when Blogging Prompts endpoints are available.

• Scheduling view: hook up Include prompt toggle. (Ref: #18316)
• Blogging Prompts Settings (Ref: #18549)
  • Prepopulate the reminder schedule if a remote schedule exists. (ref: p1652112794189519-slack-C0339PBMQ92) #18753
• Compact Prompt Card: (Ref: #18402)
  • Check for cached prompt before fetching. (#18658)
  • Update answered state (#18572)
  • Show new post when Answer tapped. (#18599)
  • Show share sheet when Share tapped. Remove for V1. (#18670)
  • Hide for self-hosted sites (#18819)
  • Add a help button similar to the one on the blogging reminders settings screen
• Prompt Card: (Ref: #18250)
  • Show/hide depending on is_potential_blogging_site field ("we can use the prompts_card_opted_in setting that in the backend is currently (diff under review) equals the is_potential_blogging_site field judged on the backend")
  • Check for cached prompt before fetching. (#18642)
  • Update train of avatars (#18534)
  • Update number of answers (#18534)
  • Update answered state (#18534)
  • Show new post when Answer tapped. (#18599)
  • Show share sheet when Share tapped. Remove for V1. (#18670)
  • Overflow menu:
    • View more prompts: show prompts list (#18505)
    • Skip this prompt: remove the current card from the dashboard. (#18642)
    • Remove from dashboard: permanently remove prompt cards from dashboard. The menu item is removed for V1. (#18627)
  • Update display logic to (prompts_reminders_opted_in || (!prompts_reminders_opted_in && is_potential_blogging_site) (#18816)
• Feature Introduction:
  • Ensure that the feature introduction modal doesn't clash with other modals shown during app launch, e.g. feature announcement, new Stats. Refs p1654007734556469-slack-C0339PBMQ92 (#18820)
  • Remove showing feature introduction on app launch. (#18820)
    • WordPressAppDelegate - WPTabBarController.sharedInstance().showBloggingPromptsFeatureIntroduction()
    • WPTabBarController - showBloggingPromptsFeatureIntroduction()
  • Try it now: populate post content with prompt content. (#18597)
  • Filter out self-hosted sites when tapping on 'Try it now' (#18829)
• Post creation (Ref: #18473)
  • When creating an answer prompt post, pass the prompt's metadata with it. (See #18717, #18808) (ref: D80516-code)
    "metadata": [ { "key": "_jetpack_blogging_prompt_key", "value": 235, "operation": "update" } ]
  • Add a dailyprompt tag to posts which answer the prompt (#18851)
• Prompts List: check for cached prompt before fetching. (#18658)
  • Fetch today's prompt where appropriate (#18842)
• Prompts reminder scheduling integration #18761