Fix ffi Binding logger errors (#1664)

* add some log to the logger

* more tweaks

* cargo fmt

bindings_ffi/src/logger.rs

@@ -20,7 +20,10 @@ mod android {
     {
         use tracing_subscriber::EnvFilter;
         let api_calls_filter = EnvFilter::builder().parse_lossy("xmtp_api=debug");
-        let libxmtp_filter = EnvFilter::builder().parse(FILTER_DIRECTIVE);
+        let libxmtp_filter = EnvFilter::builder()
+            .parse(FILTER_DIRECTIVE)
+            .unwrap_or_else(|_| EnvFilter::new("info"));
+
         vec![
             paranoid_android::layer(env!("CARGO_PKG_NAME"))
                 .with_thread_names(true)
@@ -38,14 +41,19 @@ pub use ios::*;
 #[cfg(target_os = "ios")]
 mod ios {
     use super::*;
-    // use tracing_subscriber::Layer;
+    use tracing_oslog::OsLogger;
+    use tracing_subscriber::EnvFilter;
+
     pub fn native_layer<S>() -> impl Layer<S>
     where
         S: Subscriber + for<'a> LookupSpan<'a>,
     {
-        use tracing_oslog::OsLogger;
-        let libxmtp_filter = EnvFilter::builder().parse(FILTER_DIRECTIVE);
+        let libxmtp_filter = EnvFilter::builder()
+            .parse(FILTER_DIRECTIVE)
+            .unwrap_or_else(|_| EnvFilter::new("info"));
+
         let subsystem = format!("org.xmtp.{}", env!("CARGO_PKG_NAME"));
+
         OsLogger::new(subsystem, "default").with_filter(libxmtp_filter)
     }
 }