feat(sdk): Don't update invite_state in SlidingSyncRoom.

`invite_state` is managed when the Sliding Sync response is processed/
handled by the `Client`. Inside `SlidingSyncRoom`, it's not necessary to
maintain it.

Author: Hywan

crates/matrix-sdk/src/sliding_sync/room.rs

@@ -150,7 +150,6 @@ impl SlidingSyncRoom {
             initial,
             limited,
             is_dm,
-            invite_state,
             unread_notifications,
             required_state,
             prev_batch,
@@ -175,10 +174,6 @@ impl SlidingSyncRoom {
             self.inner.is_dm = is_dm;
         }
 
-        if invite_state.is_some() {
-            self.inner.invite_state = invite_state;
-        }
-
         if !required_state.is_empty() {
             self.inner.required_state = required_state;
         }