feat(analyzer): add support for IAsyncInitializer.InitializeAsync method in DisposableFieldPropertyAnalyzer (#3574)

* feat(analyzer): add support for IAsyncInitializer.InitializeAsync method in DisposableFieldPropertyAnalyzer

* feat(analyzer): add field and property initializer checks to DisposableFieldPropertyAnalyzer

* feat(analyzer): improve field and property initializer checks in DisposableFieldPropertyAnalyzer

* feat(analyzer): add test for field initialization issue detection and improve static modifier check

* feat(analyzer): enhance field and property initializer checks for disposable object creation

Author: thomhurst