Fix parsing of parenthesized imports (#3633)

crates/typst-syntax/src/parser.rs

@@ -984,7 +984,7 @@ fn module_import(p: &mut Parser) {
 /// Parses items to import from a module: `a, b, c`.
 fn import_items(p: &mut Parser) {
     let m = p.marker();
-    while !p.eof() && !p.at(SyntaxKind::Semicolon) {
+    while !p.current().is_terminator() {
         let item_marker = p.marker();
         if !p.eat_if(SyntaxKind::Ident) {
             p.unexpected();