Rearrange call to csec before compiler after typechecker (#2950)

Author: xyliew25

src/commons/utils/JavaHelper.ts

@@ -35,6 +35,8 @@ export async function javaRun(
     return Promise.resolve({ status: 'error' });
   }
 
+  if (isUsingCse) return await runJavaCseMachine(javaCode, targetStep, context);
+
   try {
     const classFile = compileFromSource(javaCode);
     compiled = {
@@ -106,8 +108,6 @@ export async function javaRun(
     }
   };
 
-  if (isUsingCse) return await runJavaCseMachine(javaCode, targetStep, context);
-
   // load cached classfiles from IndexedDB
   return loadCachedFiles(() =>
     // Initial loader to fetch commonly used classfiles