Same as renderExpression, but afterwards looks for any
append_string_after_node fixups to apply
fn renderExpressionFixup(r: *Render, node: Ast.Node.Index, space: Space) Error!void
fn renderExpressionFixup(r: *Render, node: Ast.Node.Index, space: Space) Error!void {
const ais = r.ais;
try renderExpression(r, node, space);
if (r.fixups.append_string_after_node.get(node)) |bytes| {
try ais.writeAll(bytes);
}
}