Upgrade package syncfusion_flutter_datepicker 24.2.4 to 24.2.7.

[palisadoes]

Rationale

1. This was previously attempted by the automated dependabot job but the PR tests failed.
2. This issue has been created to fix the issue as there may be multiple dependency requirements that need updating

This is a major revision upgrade and many files may need to be updated to the new syntax, functions, methods and classes

Task

Upgrade package syncfusion_flutter_datepicker 24.2.4 to 24.2.7.

Background Failing PRs

• Bump syncfusion_flutter_datepicker from 24.2.4 to 24.2.7 #2399
• https://github.com/PalisadoesFoundation/talawa/actions/runs/8043280924/job/21995095183?pr=2399

Release Note Details

Commits

• See full diff in compare view

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[ArinNigam]

@Cioppolo14 @palisadoes Can you assign me this issue?

[ArinNigam]

• So I tried fixing the package syncfusion_flutter_datepicker to 24.2.7 but workflow is failing and giving the error

• I tried looking online why this error is coming and I came to conclusion that it may be a sdk problem which is currently at 3.16.0. I tried to test codebase with 3.19.0 in my system and all test cases passed

Releases in flutter 3.19
https://docs.flutter.dev/release/breaking-changes/key-event-migration

Conclusion
So I am guessing that we'll have to migrate the project to flutter sdk 13.9.0 before to fix this issue since the pacakge syncfusion_flutter_datepicker is using date_picker that invokes this HardwareKeyboard.instance which is a part of flutter sdk 13.9.0

i) syncfusion_flutter_datepicker 24.2.4 ii) syncfusion_flutter_datepicker 24.2.7

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@Cioppolo14 requesting for review

[palisadoes]

We have an issue to upgrade to the latest SDK here. Are you willing to work on that too?

• Update Talawa to the Latest Flutter and Dart SDK version #2383

[ArinNigam]

@palisadoes yeah sure I can try that but I ran with some errors when I tried working on it before. It seems a lot of code needs to be changed for that. You can assign me though I'll try and get back at it.

[palisadoes]

You'll have to comment on the issue to be assigned

[ArinNigam]

This issue is resolved in the PR #2413