@discardableResult fix-it is wrong when placed on variable declaration

[dawilliams-gpsw]

Description
When placing @discardableResult on a variable declaration, the suggested fix it results in another fix-it, because @discardableResult doesnt seem to work on property declarations:

struct Foo {
    // suggested fix-it: Attribute can only be applied to declarations, not types - Replace 'var foo: @discardableResult ' with '@discardableResult var foo: '
    var foo: @discardableResult () -> Int
}

Using the fix-it results in the following, which requires another fix-it:

struct Foo {
    // suggested fix-it: '@discardableResult' attribute cannot be applied to this declaration - Remove '@discardableResult '
    @discardableResult var foo: () -> Int
}

which finally results in code that compiles, albeit without the result that the developer desires:

struct Foo {
    var foo: () -> Int
}

Steps to reproduce
Place @discardableResult on variable declaration's type.

Expected behavior
Fix it to completely remove @discardableResult, until @discardableResult is supported on property decls.

Screenshots

Environment

• Swift compiler version info 5.9
• Xcode version info 14.3
• Deployment target: any