Fix non-brace delimeters in nested macro formatting (#2831)

packages/autofmt/src/prettier_please.rs

@@ -1,5 +1,5 @@
 use dioxus_rsx::CallBody;
-use syn::{parse::Parser, visit_mut::VisitMut, Expr, File, Item};
+use syn::{parse::Parser, visit_mut::VisitMut, Expr, File, Item, MacroDelimiter};
 
 use crate::{IndentOptions, Writer};
 
@@ -46,6 +46,11 @@ pub fn unparse_expr(expr: &Expr, src: &str, cfg: &IndentOptions) -> String {
                 i.path = syn::parse_str(MARKER).unwrap();
                 i.tokens = Default::default();
 
+                // make sure to transform the delimiter to a brace so the marker can be found
+                // an alternative approach would be to use multiple different markers that are not
+                // sensitive to the delimiter.
+                i.delimiter = MacroDelimiter::Brace(Default::default());
+
                 // Push out the indent level of the formatted block if it's multiline
                 if multiline || formatted.contains('\n') {
                     formatted = formatted