fix(roslyn_ls): use absolute paths when open .sln and .csproj files (#3777)

* fix(roslyn_ls): use absolute paths when open `.sln` and `.csproj` files


---------

Co-authored-by: glepnir <[email protected]>

Author: 616b2f

lsp/roslyn_ls.lua

@@ -129,17 +129,17 @@ return {
       local root_dir = client.config.root_dir
 
       -- try load first solution we find
-      for entry, type in vim.fs.dir(root_dir) do
+      for entry, type in fs.dir(root_dir) do
         if type == 'file' and vim.endswith(entry, '.sln') then
-          on_init_sln(client, entry)
+          on_init_sln(client, fs.joinpath(root_dir, entry))
           return
         end
       end
 
       -- if no solution is found load project
-      for entry, type in vim.fs.dir(root_dir) do
+      for entry, type in fs.dir(root_dir) do
         if type == 'file' and vim.endswith(entry, '.csproj') then
-          on_init_project(client, { entry })
+          on_init_project(client, { fs.joinpath(root_dir, entry) })
         end
       end
     end,