Fix property initialization order in CodeRunnerViewModel

Ensure 'Extension' is initialized before 'SelectedCompiler' to avoid null reference and incorrect behavior.

Author: mx7b7

src/CodeSnip/Views/CodeRunnerView/CodeRunnerViewModel.cs

@@ -66,12 +66,12 @@ public partial class CodeRunnerViewModel : ObservableObject
 
         public CodeRunnerViewModel(string languageExtension, string code, Func<string> getLatestCode)
         {
+            Extension = languageExtension;// set before triggering OnSelectedCompilerChanged beacause it uses it
             Compilers = _compilersSettings.GetCompilersByExtension(languageExtension);
             var defaultCompilerId = _compilersSettings.GetDefaultCompilerIdByExtension(languageExtension);
             SelectedCompiler = Compilers.FirstOrDefault(c => c.Id == defaultCompilerId) ?? Compilers.FirstOrDefault();
             Code = code;
             _getLatestCode = getLatestCode;
-            Extension = languageExtension;
             _godboltService = new GodboltService(_httpClient);
 
         }
@@ -88,7 +88,7 @@ private static string MapLanguageExtensionToAsmHighlighting(string languageExten
             return languageExtension.ToLowerInvariant() switch
             {
 
-                "java" => "java-bytecode",
+                "java" => "javaopc",
                 _ => "asm", // Default for C++, Rust, D, etc.
             };
         }