Get session via PATCH instead of GET

Author: freyacodes

src/main/kotlin/dev/arbjerg/lavalink/internal/LavalinkRestClient.kt

@@ -79,6 +79,9 @@ class LavalinkRestClient(val node: LavalinkNode) {
     fun getSession(): Mono<Session> {
         return newRequest {
             path("/v4/sessions/${node.sessionId}")
+            // Using patch with an empty object is a dirty hack because GET is not supported for this resource
+            // 7 years younger me should have known better ~Freya
+            patch("{}".toRequestBody("application/json".toMediaType()))
         }.toMono()
     }