Refactor command handling in ChatRepository for Android and iOS

- Reset commandLines and commandKind to default values when a command table event is received, ensuring a clean state for subsequent commands.
- This change improves the handling of command events and maintains consistency across platforms.

android/app/src/main/java/de/ypchat/android/data/repository/ChatRepository.kt

@@ -362,6 +362,8 @@ class ChatRepository(
                 errorMessage = if (event.kind == "info" || event.kind.startsWith("login")) event.lines.joinToString(" | ") else current.errorMessage
             )
             is SocketEvent.CommandTable -> current.copy(
+                commandLines = emptyList(),
+                commandKind = null,
                 commandTable = CommandTableState(event.title, event.columns, event.rows)
             )
             is SocketEvent.Error -> current.copy(errorMessage = event.message)