Enable SANITIZE_SCHEMA_FIELD_NAMES (`hoodie.streamer.source.sanitize.invalid.schema.field.names`) by default

### Task Description

**What needs to be done:**
Enable SANITIZE_SCHEMA_FIELD_NAMES (`hoodie.streamer.source.sanitize.invalid.schema.field.names`) by default which avoids hitting the invalid schema issue.

**Why this task is needed:**
Improves out-of-the-box experience with Hudi Streamer.

### Task Type

Code improvement/refactoring

### Related Issues

**Parent feature issue:** (if applicable )
**Related issues:**
NOTE: Use `Relationships` button to add parent/blocking issues after issue is created.

Start by locating the Hudi Streamer configuration for SANITIZE_SCHEMA_FIELD_NAMES (`hoodie.streamer.source.sanitize.invalid.schema.field.names`) and its current default. Check the related Streamer tests, if present, and verify that the default avoids invalid schema field errors while preserving explicitly configured values.

Written by the indexing model from the issue text.