Fix Where conversion for CodeOrigin probes (#7858)

Conversion must create a Where instance with no SourceLine (null)

Author: jpbempel

dd-java-agent/agent-debugger/src/main/java/com/datadog/debugger/probe/Where.java

@@ -68,7 +68,7 @@ public static Where convertLineToMethod(Where lineWhere, ClassFileLines classFil
             lineWhere.typeName,
             method.name,
             Types.descriptorToSignature(method.desc),
-            new SourceLine[0],
+            (SourceLine[]) null,
             null);
       }
     }

dd-java-agent/agent-debugger/src/test/java/com/datadog/debugger/agent/CapturingTestBase.java

@@ -333,6 +333,11 @@ protected TestSnapshotListener installProbes(LogProbe... logProbes) {
             .build() /*, logProbes*/);
   }
 
+  public static LogProbe.Builder createProbeBuilder(
+      ProbeId id, String typeName, String methodName, String signature) {
+    return createProbeBuilder(id, typeName, methodName, signature, (String[]) null);
+  }
+
   public static LogProbe.Builder createProbeBuilder(
       ProbeId id, String typeName, String methodName, String signature, String... lines) {
     return LogProbe.builder()

dd-java-agent/agent-debugger/src/test/java/com/datadog/debugger/probe/WhereTest.java

@@ -1,6 +1,7 @@
 package com.datadog.debugger.probe;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNull;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
@@ -94,7 +95,7 @@ public void convertLineToMethod() {
     assertEquals("java.util.Map", whereMapPut.getTypeName());
     assertEquals("put", whereMapPut.getMethodName());
     assertEquals("(java.lang.Object, java.lang.Object)", whereMapPut.getSignature());
-    assertEquals(0, whereMapPut.getLines().length);
+    assertNull(whereMapPut.getLines());
   }
 
   @Test