Re-enable setting of final instance fields (#5150)

Followup to #5090

Author: stevenschlansker

src/main/java/tools/jackson/databind/deser/BeanDeserializerFactory.java

@@ -939,10 +939,6 @@ protected SettableBeanProperty constructSettableProperty(DeserializationContext
         JavaType type = resolveMemberAndTypeAnnotations(ctxt, mutator, propType0);
         // Does the Method specify the deserializer to use? If so, let's use it.
         TypeDeserializer typeDeser = (TypeDeserializer) type.getTypeHandler();
-        // 05-May-2025, tatu: [databind#5090]/[databind#2083] Need to skip these for some reason
-        if (isFinalField(mutator)) {
-            return null;
-        }
         ValueDeserializer<?> deser = findDeserializerFromAnnotation(ctxt, mutator);
         if (deser == null) {
             deser = (ValueDeserializer<?>) type.getValueHandler();
@@ -965,11 +961,6 @@ protected SettableBeanProperty constructSettableProperty(DeserializationContext
         return prop;
     }
 
-    private boolean isFinalField(AnnotatedMember am) {
-        return am instanceof AnnotatedField
-                && Modifier.isFinal(am.getMember().getModifiers());
-    }
-
     /**
      * Method that will construct a regular bean property setter using
      * the given setter method.