Fix URI parse error

[tcx4c70]

1. Replace "%3A" with ":": Some lsp client will escape ":" with "%3A", while the constructor of System.Uri will not unescape "%3A". So unescaping "%3A" manually before passing it to the constructor.
2. Don't concat "file://" manually: Uri("file://" + path) is not equal to Uri(path) because path might contain chars that are interpreted (# and ?). For example, if path is "/mnt/code/c#/project", then the former will treat "/mnt/code/c" as LocalPath and "/project" asFragment.

[razzmatazz]

looks and works good for me (I am testing mostly on emacs w/ lsp-mode)

btw which editor did you hit this on?

[razzmatazz]

and thank you!

[razzmatazz]

I will add changelog entry but it would be nice to add a remark which editor this fix was most applicable for

[tcx4c70]

btw which editor did you hit this on?

I'm using vim/Neovim+coc.nvim with the following config:

{
    "languageserver": {
        "csharp-ls": {
          "command": "csharp-ls",
          "filetypes": ["cs"],
          "rootPatterns": ["*.csproj", ".vim/", ".git/", ".hg/"]
        }
    }
}

[razzmatazz]

a new release has been issued that contains fixes from this PR:

• https://www.nuget.org/packages/csharp-ls/0.5.3