Misc improvements and fixes (#109)

* now utilizing tracing better

* better tracing

* fix mac vs pc oppositional env var issue

* modified loading package

* added droppable loadingbarid that sends completion message

* loading bar

* regressed bug on mac

* fixed non-updated loading bar on playground

* Loading bar improvements

---------

Co-authored-by: Jai A <jaiagr+gpg@pm.me>

theseus/src/api/jre.rs

@@ -61,6 +61,7 @@ pub async fn get_optimal_jre_key(profile: &Profile) -> crate::Result<String> {
         version,
         profile.metadata.loader_version.as_ref(),
         None,
+        None,
     )
     .await?;
     let optimal_key = match version_info