Improvements to logging (#457)

* Use `.info` logging in most places.
* Remove old objc logging support.
* Fix table view controller.
* Make sure timeline item content isn't logged.
* Add tests.

ElementX/Sources/Screens/Authentication/LoginScreen/LoginCoordinator.swift

@@ -63,7 +63,6 @@ final class LoginCoordinator: CoordinatorProtocol {
     func start() {
         viewModel.callback = { [weak self] action in
             guard let self else { return }
-            MXLog.debug("LoginViewModel did callback with result: \(action).")
             
             switch action {
             case .selectServer:
@@ -118,6 +117,8 @@ final class LoginCoordinator: CoordinatorProtocol {
     
     /// Processes an error to either update the flow or display it to the user.
     private func handleError(_ error: AuthenticationServiceError) {
+        MXLog.info("Error occurred: \(error)")
+        
         switch error {
         case .invalidCredentials:
             viewModel.displayError(.alert(ElementL10n.authInvalidLoginParam))
@@ -150,6 +151,7 @@ final class LoginCoordinator: CoordinatorProtocol {
     
     /// Requests the authentication coordinator to log in using the specified credentials.
     private func login(username: String, password: String) {
+        MXLog.info("Starting login with password.")
         startLoading(isInteractionBlocking: true)
         
         Task {

ElementX/Sources/Screens/Authentication/ServerSelection/ServerSelectionCoordinator.swift

@@ -49,7 +49,6 @@ final class ServerSelectionCoordinator: CoordinatorProtocol {
     func start() {
         viewModel.callback = { [weak self] action in
             guard let self else { return }
-            MXLog.debug("ServerSelectionViewModel did callback with action: \(action).")
             
             switch action {
             case .confirm(let homeserverAddress):
@@ -87,9 +86,11 @@ final class ServerSelectionCoordinator: CoordinatorProtocol {
         Task {
             switch await authenticationService.configure(for: homeserverAddress) {
             case .success:
+                MXLog.info("Selected homeserver: \(homeserverAddress)")
                 callback?(.updated)
                 stopLoading()
             case .failure(let error):
+                MXLog.info("Invalid homeserver: \(homeserverAddress)")
                 stopLoading()
                 handleError(error)
             }

ElementX/Sources/Screens/Authentication/SoftLogout/SoftLogoutCoordinator.swift

@@ -70,7 +70,7 @@ final class SoftLogoutCoordinator: CoordinatorProtocol {
     func start() {
         viewModel.callback = { [weak self] result in
             guard let self else { return }
-            MXLog.debug("[SoftLogoutCoordinator] SoftLogoutViewModel did complete with result: \(result).")
+            MXLog.info("[SoftLogoutCoordinator] SoftLogoutViewModel did complete with result: \(result).")
 
             switch result {
             case .login(let password):
@@ -112,8 +112,6 @@ final class SoftLogoutCoordinator: CoordinatorProtocol {
 
     /// Shows the forgot password screen.
     @MainActor private func showForgotPasswordScreen() {
-        MXLog.debug("[SoftLogoutCoordinator] showForgotPasswordScreen")
-
         viewModel.displayError(.alert("Not implemented."))
     }