fix(doc): set compressString default value to false (apache#1913)

## What does this PR do?

set compressString default value to false
## Related issues
apache#1890 

## Does this PR introduce any user-facing change?

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- [ ] Does this PR introduce any public API change?
- [ ] Does this PR introduce any binary protocol compatibility change?

## Benchmark

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docs/guide/java_serialization_guide.md

@@ -100,7 +100,7 @@ public class Example {
 | `timeRefIgnored`                    | Whether to ignore reference tracking of all time types registered in `TimeSerializers` and subclasses of those types when ref tracking is enabled. If ignored, ref tracking of every time type can be enabled by invoking `Fury#registerSerializer(Class, Serializer)`. For example, `fury.registerSerializer(Date.class, new DateSerializer(fury, true))`. Note that enabling ref tracking should happen before serializer codegen of any types which contain time fields. Otherwise, those fields will still skip ref tracking. | `true`                                                         |
 | `compressInt`                       | Enables or disables int compression for smaller size.                                                                                                                                                                                                                                                                                                                                                                                                                                                                             | `true`                                                         |
 | `compressLong`                      | Enables or disables long compression for smaller size.                                                                                                                                                                                                                                                                                                                                                                                                                                                                            | `true`                                                         |
-| `compressString`                    | Enables or disables string compression for smaller size.                                                                                                                                                                                                                                                                                                                                                                                                                                                                          | `true`                                                         |
+| `compressString`                    | Enables or disables string compression for smaller size.                                                                                                                                                                                                                                                                                                                                                                                                                                                                          | `false`                                                        |
 | `classLoader`                       | The classloader should not be updated; Fury caches class metadata. Use `LoaderBinding` or `ThreadSafeFury` for classloader updates.                                                                                                                                                                                                                                                                                                                                                                                               | `Thread.currentThread().getContextClassLoader()`               |
 | `compatibleMode`                    | Type forward/backward compatibility config. Also Related to `checkClassVersion` config. `SCHEMA_CONSISTENT`: Class schema must be consistent between serialization peer and deserialization peer. `COMPATIBLE`: Class schema can be different between serialization peer and deserialization peer. They can add/delete fields independently.                                                                                                                                                                                      | `CompatibleMode.SCHEMA_CONSISTENT`                             |
 | `checkClassVersion`                 | Determines whether to check the consistency of the class schema. If enabled, Fury checks, writes, and checks consistency using the `classVersionHash`. It will be automatically disabled when `CompatibleMode#COMPATIBLE` is enabled. Disabling is not recommended unless you can ensure the class won't evolve.                                                                                                                                                                                                                  | `false`                                                        |