Added info for 'Automatically Prompt Users for Permission option' in Push Notifications

[pinkeshmars]

Description

Provide a brief overview of what this documentation update is about. Explain what sections or topics are being added or revised.

Linear ticket and magic word Fixes DEVR-696

Type of change

• [ ] Typo fix
• [x] New feature
• [ ] Enhancement to current docs
• [ ] Removed outdated references
• [ ] Update assets

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