Wrong span end for `using foo = null;`

[ArnaudBarre]

See the difference with const: https://playground.oxc.rs/#eNpFTztuwzAMvYrB2YMToIuLbkUv0LULrVCGAJo0SKlJEPjukZM4nvh7fJ8bBOiheJKxiaqH5quRwvz5J0HFcxO77rjvoAWF/gZWZC1+lYwX6LMVaoGTZOgjstfBg860Xfw6DcrblA3Fo9r0Ai8tzGhOVilrv9Js/Rv6WEBGG6lqAPmxO3xUN8mVMdPpmwKjYU7V9E4b9EQjPayS4MD0q8UCTTjvmClJimkTrKGzKf+wntevf7JBveZ4opflDl4qahk=

See in Babel: https://ast-explorer.dev/#eNpFizEOwjAMRa8See5QGIs4AgtiIwxpcKMg146aBIGq3h1HHdie339egWCAl3u77JeYCnSQVIxuRFL2yjVHDmYSOZiz4Up0suyFczFT3x//TnPRfLVsjIUsdfF4+ya0MOg9y7OScrfPiWqInNt2b6Y5/CSKPpYr7s8Xxy7gjFwstOZheYPtB7sjOeg=

Looking at the code, self.asi()?; should be done inside parse_using_declaration instead of parse_using, but it's not clear for me whether if should be inside a if matches!(decl_parent, VariableDeclarationParent::Statement) like in parse_variable_declaration