Add SpaceRoomCell & Space…ProxyProtocols and use them on the SpaceListScreen. (#4404)

ElementX/Sources/Mocks/SpaceRoomListProxyMock.swift

@@ -0,0 +1,23 @@
+//
+// Copyright 2025 New Vector Ltd.
+//
+// SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
+// Please see LICENSE files in the repository root for full details.
+//
+
+import Foundation
+import MatrixRustSDK
+
+extension SpaceRoomListProxyMock {
+    struct Configuration {
+        var spaceRoomProxy: SpaceRoomProxyProtocol
+        var spaceRooms: [SpaceRoomProxyProtocol] = []
+    }
+    
+    convenience init(_ configuration: Configuration) {
+        self.init()
+        
+        spaceRoom = configuration.spaceRoomProxy
+        spaceRoomsPublisher = .init(configuration.spaceRooms)
+    }
+}