fix all the warnings!!!! (0 clippy and rustc warnings now)

too many changes to list, codebase significantly better than it was a few weeks ago though

Signed-off-by: strawberry <june@girlboss.ceo>

src/api/client_server/media.rs

@@ -50,8 +50,10 @@ pub async fn create_content_route(
         )
         .await?;
 
+    let content_uri = mxc.into();
+
     Ok(create_content::v3::Response {
-        content_uri: mxc.try_into()?,
+        content_uri,
         blurhash: None,
     })
 }