Add support for the LSP request `textDocument/inlineValue`. Implement support for `textDocument/inlineValue` according to the [LSP spec](https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#textDocument_inlineValue).
Add support for the LSP request
textDocument/inlineValue.Implement support for
textDocument/inlineValueaccording to the LSP spec.