implementationsCodeLens support for method implementations

[mozhuanzuojing]

implementationsCodeLens support impl of method.

Environment

• Operating System:WSL2 - Ubuntu24.04
• JDK version:17
• Visual Studio Code version:1.92
• Java extension version:1.35.1

Steps To Reproduce

[Please attach a sample project reproducing the error]
Please attach logs

Current Result

method of interface don't have impl when enable implementationsCodeLens

Expected Result

find impl of method when enable implementationsCodeLens

Additional Informations

[iwangbowen]

从你的配置文件里面学到了Java插件的一些特性👍

[mozhuanzuojing]

I would like to ask how feasible this implementation is, and if it can be implemented, it can reduce the psychological burden of developing a lot of code

[rgrunber]

It can definitely be done.

See #416 for the history. We would have to have it guarded by a setting since I would see it affecting performance. Something like :