chuni: add roomId to handle_get_matching_state_api_request, update changelog

changelog.md

@@ -23,6 +23,7 @@ Documenting updates to ARTEMiS, to be updated every time the master branch is pu
 + Add `matching` section to `chuni.yaml`
 + Change `udpHolePunchUri` and `reflectorUri` to be STUN and TURN servers
 + Imrpove `GetGameSetting` request handling for different versions
++ Fix issue where songs would not always return all scores [#92](https://gitea.tendokyu.moe/Hay1tsme/artemis/pulls/92) (Thanks Kumubou!)
 
 ### maimai DX
 + Fix user charges failing to save

titles/chuni/new.py

@@ -659,4 +659,7 @@ class ChuniNew(ChuniBase):
             "matchingMemberInfoList": [current_member] + diff_members,
         }
 
-        return {"matchingWaitState": matching_wait}
+        return {
+            "roomId": data["roomId"],
+            "matchingWaitState": matching_wait
+        }