Auto merge of rust-lang#17552 - Veykril:fn-param-comp-fix, r=Veykril

fix: Fix parameter completions using macro expanded source ranges

Fixes rust-lang/rust-analyzer#17550

Author: bors

src/tools/rust-analyzer/crates/ide-completion/src/completions/fn_param.rs

@@ -173,7 +173,8 @@ fn should_add_self_completions(
 }
 
 fn comma_wrapper(ctx: &CompletionContext<'_>) -> Option<(impl Fn(&str) -> String, TextRange)> {
-    let param = ctx.token.parent_ancestors().find(|node| node.kind() == SyntaxKind::PARAM)?;
+    let param =
+        ctx.original_token.parent_ancestors().find(|node| node.kind() == SyntaxKind::PARAM)?;
 
     let next_token_kind = {
         let t = param.last_token()?.next_token()?;