Apply code style formatting and restore partial modifiers on Avalonia views

Linter/formatter pass across the full codebase. Restores required partial
keyword on AXAML code-behind classes that the formatter incorrectly removed.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

tests/ZB.MOM.WW.LmxOpcUa.Client.CLI.Tests/ConnectCommandTests.cs

@@ -72,7 +72,6 @@ public class ConnectCommandTests
         using var console = TestConsoleHelper.CreateConsole();
         // The command should propagate the exception but still clean up.
         // Since connect fails, service is null in finally, so no disconnect.
-        await Should.ThrowAsync<InvalidOperationException>(
-            async () => await command.ExecuteAsync(console));
+        await Should.ThrowAsync<InvalidOperationException>(async () => await command.ExecuteAsync(console));
     }
-}
+}