Implement Knock Logic (#3573)

* WIP RequestToJoin struct

* implemented the logic to display the cells

* knock request banner accept flow

* mark all knocks as seen implemented

* details logic

* implemented accept, decline and ban in the list

* added a loader and modified the stacked view

of the banner

* pr suggestions

* updated naming and loading strings

* added the initial loading state

improved code and the tests

* updated a string that has changed

* code improvement

* tests for the room screen view model

* room details tests

and improved the knock requests tests for the room screen

* knock requests list tests

* added error state alerts with retry

* struct has been renamed on the sdk

so I renamed it also on the app side

* update SDK

ElementX/Sources/Mocks/KnockRequestProxyMock.swift

@@ -0,0 +1,35 @@
+//
+// Copyright 2024 New Vector Ltd.
+//
+// SPDX-License-Identifier: AGPL-3.0-only
+// Please see LICENSE in the repository root for full details.
+//
+
+import Foundation
+
+struct KnockRequestProxyMockConfiguration {
+    let eventID: String
+    let userID: String
+    var displayName: String?
+    var avatarURL: URL?
+    var timestamp: String?
+    var reason: String?
+    var isSeen = false
+}
+
+extension KnockRequestProxyMock {
+    convenience init(_ configuration: KnockRequestProxyMockConfiguration) {
+        self.init()
+        eventID = configuration.eventID
+        userID = configuration.userID
+        displayName = configuration.displayName
+        avatarURL = configuration.avatarURL
+        reason = configuration.reason
+        formattedTimestamp = configuration.timestamp
+        isSeen = configuration.isSeen
+        acceptReturnValue = .success(())
+        declineReturnValue = .success(())
+        banReturnValue = .success(())
+        markAsSeenReturnValue = .success(())
+    }
+}