fix(nvim_bin): use 'vim.v.progpath' instead of 'vim.v.argv[1]'

lua/fzf-lua/libuv.lua

@@ -460,7 +460,7 @@ end
 M.wrap_spawn_stdio = function(opts, fn_transform, fn_preprocess)
   assert(opts and type(opts) == 'string')
   assert(not fn_transform or type(fn_transform) == 'string')
-  local nvim_bin = vim.v.argv[1]
+  local nvim_bin = vim.v.progpath
   local call_args = opts
   for _, fn in ipairs({ fn_transform, fn_preprocess }) do
     if type(fn) == 'string' then

lua/fzf-lua/shell.lua

@@ -52,7 +52,7 @@ function M.raw_async_action(fn, fzf_field_expression, debug)
 
   -- this is for windows WSL and AppImage users, their nvim path isn't just
   -- 'nvim', it can be something else
-  local nvim_bin = vim.v.argv[1]
+  local nvim_bin = vim.v.progpath
 
   local call_args = ("fzf_lua_server=[[%s]], fnc_id=%d %s"):format(
     vim.g.fzf_lua_server, id, debug and ", debug=true" or "")