[LSP] tell the client why the codeflash config is not valid#806

Saga4 merged 2 commits intomaincodeflash-ai/codeflash:mainfrom

lsp/return-why-codeflash-config-not-validcodeflash-ai/codeflash:lsp/return-why-codeflash-config-not-validCopy head branch name to clipboard