Bug: Renaming fields causes naming conflicts between fields, missing check warnings

[DongChunHao]

[provide a description of the issue]

Environment

Operating System: Windows11 JDK version: 17 Visual Studio Code version: 1.88 Java extension version: 1.29

Steps To Reproduce

1. renaming 'fieldToRename' to 'newField'
2. Syntax error

Current Result：

Expected Result： When naming conflicts occur between fields, a warning should be given