fix date in data-grid binding local data sample

[IGvaleries]

No description provided.

[Copilot]

Pull Request Overview

This PR fixes the initialization of today in the GetRandomDate method to use the current date rather than the default DateTime constructor.

• Replaced new DateTime() with DateTime.Today for correct year retrieval in random date generation.

Comments suppressed due to low confidence (2)

samples/grids/data-grid/binding-local-data/App.razor:99

• Consider adding a unit test for GetRandomDate to verify that the returned date uses the current year and falls within the expected month and day range.

var today = DateTime.Today;

samples/grids/data-grid/binding-local-data/App.razor:97

• [nitpick] Add or update XML documentation for GetRandomDate to clarify that it generates a random DateTime within the current year using DateTime.Today.

public DateTime GetRandomDate()