Fix: explicit nullability handling in widget classes

[Hammadtanveer]

Purpose / Description
This change improves nullability handling in some widget-related classes to reduce the risk of null pointer issues.

Fixes
N/A

Approach
Updated nullability handling in the following classes:
AnalyticsWidgetProvider
Id
WidgetUtils

How Has This Been Tested?
The project builds successfully after the changes, and the widget-related functionality continues to work as expected.

Checklist
You have a descriptive commit message with a short title (first line, max 50 chars).
You have performed a self-review of your own code

[david-allison]

It's best to start with a known issue

Closing this: I'm not sure whether it adds value, the template hasn't been filled out, and the Supernote change is incorrect

[Hammadtanveer]

Thanks for the clarification Sorry for the trouble, I'll be more careful next time.