C++: Handle conversions in new initializers.

Author: MathiasVP

cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/internal/TranslatedExpr.qll

@@ -3884,7 +3884,7 @@ class TranslatedNewExpr extends TranslatedNewOrNewArrayExpr {
   final override Type getTargetType() { result = expr.getAllocatedType().getUnspecifiedType() }
 
   final override TranslatedInitialization getInitialization() {
-    result = getTranslatedInitialization(expr.getInitializer())
+    result = getTranslatedInitialization(expr.getInitializer().getFullyConverted())
   }
 }