Incorrect assertion in quick fix code

[DanielRosenwasser]

Extracted from #38062

// @noImplicitAny: true

type Rest = (...string) => void;
type Public = (public string) => void;

Request quick fixes for this code snippet.

Expected Correct quick fixes

Actual

Error: Debug Failure. add-name-to-nameless-parameter operates on identifiers, but got a DotDotDotToken
    at makeChange (TYPESCRIPT_DIR\lib\tsserver.js:145716:33)
    at TYPESCRIPT_DIR\lib\tsserver.js:145707:96
    at Function.ChangeTracker.with (TYPESCRIPT_DIR\lib\tsserver.js:143896:17)
    at Object.getCodeActions (TYPESCRIPT_DIR\lib\tsserver.js:145707:64)
    at TYPESCRIPT_DIR\lib\tsserver.js:145087:77
    at Object.flatMap (TYPESCRIPT_DIR\lib\tsserver.js:522:25)
    at Object.getFixes (TYPESCRIPT_DIR\lib\tsserver.js:145087:23)
    at TYPESCRIPT_DIR\lib\tsserver.js:159943:35
    at Object.flatMap (TYPESCRIPT_DIR\lib\tsserver.js:522:25)
    at Proxy.getCodeFixesAtPosition (TYPESCRIPT_DIR\lib\tsserver.js:159941:23)
    at IOSession.Session.getCodeFixes (TYPESCRIPT_DIR\lib\tsserver.js:171425:64)

Error: Debug Failure. add-name-to-nameless-parameter operates on identifiers, but got a PublicKeyword
    at makeChange (TYPESCRIPT_DIR\lib\tsserver.js:145716:33)
    at TYPESCRIPT_DIR\lib\tsserver.js:145707:96
    at Function.ChangeTracker.with (TYPESCRIPT_DIR\lib\tsserver.js:143896:17)
    at Object.getCodeActions (TYPESCRIPT_DIR\lib\tsserver.js:145707:64)
    at TYPESCRIPT_DIR\lib\tsserver.js:145087:77
    at Object.flatMap (TYPESCRIPT_DIR\lib\tsserver.js:522:25)
    at Object.getFixes (TYPESCRIPT_DIR\lib\tsserver.js:145087:23)
    at TYPESCRIPT_DIR\lib\tsserver.js:159943:35
    at Object.flatMap (TYPESCRIPT_DIR\lib\tsserver.js:522:25)
    at Proxy.getCodeFixesAtPosition (TYPESCRIPT_DIR\lib\tsserver.js:159941:23)
    at IOSession.Session.getCodeFixes (TYPESCRIPT_DIR\lib\tsserver.js:171425:64)