Fix calendar issues

[mdmohsin7]

• [x] Calendar permission issue
• [x] Calendar event time not accurate
• [x] UI add event not updating

Summary by Entelligence.AI

• New Feature: Enhanced calendar access and event handling. Users will now experience improved permission checks and UI feedback for calendar access.
• Refactor: Updated the CalendarPage class to extend StatefulWidget for better state management.
• New Feature: Introduced a new package (manage_calendar_events) for managing calendar events, providing a more robust and efficient way of handling calendar operations.
• Refactor: Replaced the previous implementation of displaying events with a new EventsListWidget class in the memory detail page, improving modularity and readability.
• Bug Fix: Adjusted event start and end times to consider local timezone and UTC offset, ensuring accurate event timing across different time zones.

[github-actions[bot]]

Entelligence.AI

Walkthrough

This update introduces significant improvements to the calendar access and event handling in the application. It includes changes for better permission checks, UI feedback, and event time calculations. A new package is used for managing calendar events, enhancing modularity and maintainability. Additionally, a new widget class has been introduced for displaying events in a list view.

Changes

Files	Summary
app/ios/Podfile, app/lib/providers/calendar_provider.dart, app/lib/utils/features/calendar.dart, app/lib/main.dart, app/lib/pages/settings/calendar.dart	Introduced full calendar access permissions and improved calendar event handling. The code now uses a new plugin for managing calendar events, with enhanced permission checks and UI feedback. Event times are adjusted considering local timezone and UTC offset.
app/lib/pages/memory_detail/widgets.dart	Introduced a new EventsListWidget class for displaying events in a list view, improving modularity and encapsulating the logic for rendering event items.

"In the realm of code, where logic is the mode, 🖥️
A calendar update takes the road, 📅
With permissions and events in a new abode, 🏠
And a list view for events, beautifully showed. 🎉"

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