Explicit interface implementation

#### Bug description

Analyzer is unable to find a missing attribute in properties that implements an interface explicitly.

#### Repro steps

public class Foo: IFoo
{
string IFoo.Method => string.Empty;
}

Start by reproducing the analyzer issue with the explicit IFoo.Method implementation shown in the report and trace how missing attributes are detected for interface implementations. Done means the analyzer reports the missing attribute for this explicit implementation without breaking existing analyzer behavior.

Written by the indexing model from the issue text.