Blogging Prompts: Update prompts editor entry point strings to match Android

[wargcm]

See: #18472

Description

Updates the entry_point strings to match Android's. Additionally, updates the prompts dashboard card entry to have a value other than dashboard.

Testing

To test:

• Enable bloggingPrompts feature flag in FeatureFlag.swift
• Login if necessary
• When the prompts feature intro shows, tap on 'Try it now'
• Select a site if necessary
• When the editor opens, verify editor_session_start is tracked with an entry_point property matching blogging_prompts_introduction
• Dismiss the editor
• Navigate to the 'My Site' tab
• Tap on 'Answer Prompt' on the prompts dashboard card
• When the editor opens, verify editor_session_start is tracked with an entry_point property matching my_site_card_answer_prompt
• Dismiss the editor
• Tap on the FAB '+'
• In the prompts action sheet header, tap on 'Answer Prompt'
• When the editor opens, verify editor_session_start is tracked with an entry_point property matching add_new_sheet_answer_prompt
• Dismiss the editor
• Navigate to the 'My Site' tab
• Set a prompts blogging reminder in 'Menu > Site Settings > Blogging Reminders' for one minute ahead of the current time and day
• Allow push notifications if necessary
• Background the app
• Wait for the push notification and tap on it
• When the editor opens, verify editor_session_start is tracked with an entry_point property matching blogging_reminders_notification_answer_prompt

Regression Notes

1. Potential unintended areas of impact
   N/A

2. What I did to test those areas of impact (or what existing automated tests I relied on)
   N/A

3. What automated tests I added (or what prevented me from doing so)
   N/A

PR submission checklist:

• I have completed the Regression Notes.
• I have considered adding unit tests for my changes.
• I have considered adding accessibility improvements for my changes.
• I have considered if this change warrants user-facing release notes and have added them to RELEASE-NOTES.txt if necessary.

[wpmobilebot]

You can test the changes in Jetpack from this Pull Request by:

• Clicking here or scanning the QR code below to access App Center
• Then installing the build number pr18828-114e231 on your iPhone

If you need access to App Center, please ask a maintainer to add you.

[wpmobilebot]

You can test the changes in WordPress from this Pull Request by:

• Clicking here or scanning the QR code below to access App Center
• Then installing the build number pr18828-114e231 on your iPhone

If you need access to App Center, please ask a maintainer to add you.

[alpavanoglu]

Test Results:
✅ blogging_prompts_introduction
✅ my_site_card_answer_prompt
✅ add_new_sheet_answer_prompt
✅ blogging_reminders_notification_answer_prompt