Makes MatrixClient Closeable outside of logout function.

libraries/matrix/api/src/main/kotlin/io/element/android/libraries/matrix/api/MatrixClient.kt

@@ -22,8 +22,9 @@ import io.element.android.libraries.matrix.api.media.MediaResolver
 import io.element.android.libraries.matrix.api.room.MatrixRoom
 import io.element.android.libraries.matrix.api.room.RoomSummaryDataSource
 import io.element.android.libraries.matrix.api.verification.SessionVerificationService
+import java.io.Closeable
 
-interface MatrixClient {
+interface MatrixClient : Closeable {
     val sessionId: SessionId
     val roomSummaryDataSource: RoomSummaryDataSource
     fun getRoom(roomId: RoomId): MatrixRoom?

libraries/matrix/impl/src/main/kotlin/io/element/android/libraries/matrix/impl/RustMatrixClient.kt

@@ -170,7 +170,7 @@ class RustMatrixClient constructor(
         }
     }
 
-    private fun close() {
+    override fun close() {
         slidingSyncUpdateJob?.cancel()
         stopSync()
         slidingSync.setObserver(null)
@@ -179,10 +179,10 @@ class RustMatrixClient constructor(
         visibleRoomsSlidingSyncList.destroy()
         slidingSync.destroy()
         verificationService.destroy()
+        client.destroy()
     }
 
     override suspend fun logout() = withContext(dispatchers.io) {
-        close()
         try {
             client.logout()
         } catch (failure: Throwable) {
@@ -190,7 +190,7 @@ class RustMatrixClient constructor(
         }
         baseDirectory.deleteSessionDirectory(userID = client.userId())
         sessionStore.removeSession(client.userId())
-        client.destroy()
+        close()
     }
 
     override suspend fun loadUserDisplayName(): Result<String> = withContext(dispatchers.io) {

libraries/matrix/test/src/main/kotlin/io/element/android/libraries/matrix/test/FakeMatrixClient.kt

@@ -60,6 +60,8 @@ class FakeMatrixClient(
         logoutFailure?.let { throw it }
     }
 
+    override fun close() = Unit
+
     override suspend fun loadUserDisplayName(): Result<String> {
         return userDisplayName
     }