Canonicalize dataDir path before passing it to clangd

See arduino/arduino-ide#603

Remove unsupported showMessage message... oops

Do not rename if the operation spans out of the sketch

Handle ctags failing to report the correct line number

Ensure write-lock for text-format

Refactored and straighted up TextDocumentDocumentSymbolReqFromIDE

Fixed format and selection-format; still refactoring/renaming

Run publish after build