Add support for account deactivation when not using OIDC. (#3295)

ElementX/Sources/Services/Client/ClientProxy.swift

@@ -213,6 +213,10 @@ class ClientProxy: ClientProxyProtocol {
         }
     }
     
+    var canDeactivateAccount: Bool {
+        client.canDeactivateAccount()
+    }
+    
     var userIDServerName: String? {
         do {
             return try client.userIdServerName()
@@ -546,6 +550,16 @@ class ClientProxy: ClientProxyProtocol {
         }
     }
     
+    func deactivateAccount(password: String?, eraseData: Bool) async -> Result<Void, ClientProxyError> {
+        do {
+            try await client.deactivateAccount(authData: password.map { .password(passwordDetails: .init(identifier: userID, password: $0)) },
+                                               eraseData: eraseData)
+            return .success(())
+        } catch {
+            return .failure(.sdkError(error))
+        }
+    }
+    
     func setPusher(with configuration: PusherConfiguration) async throws {
         try await client.setPusher(identifiers: configuration.identifiers,
                                    kind: configuration.kind,

ElementX/Sources/Services/Client/ClientProxyProtocol.swift

@@ -99,6 +99,8 @@ protocol ClientProxyProtocol: AnyObject, MediaLoaderProtocol {
     var slidingSyncVersion: SlidingSyncVersion { get }
     var availableSlidingSyncVersions: [SlidingSyncVersion] { get async }
     
+    var canDeactivateAccount: Bool { get }
+    
     var userIDServerName: String? { get }
     
     var userDisplayNamePublisher: CurrentValuePublisher<String?, Never> { get }
@@ -157,6 +159,8 @@ protocol ClientProxyProtocol: AnyObject, MediaLoaderProtocol {
         
     func sessionVerificationControllerProxy() async -> Result<SessionVerificationControllerProxyProtocol, ClientProxyError>
 
+    func deactivateAccount(password: String?, eraseData: Bool) async -> Result<Void, ClientProxyError>
+    
     func logout() async -> URL?
 
     func setPusher(with configuration: PusherConfiguration) async throws