fix(wipe): wipe all nvim-tree rogue buffers

also prevent find_file if bufnr is not valid
fixes #1438

lua/nvim-tree.lua

@@ -148,6 +148,9 @@ function M.find_file(with_open, bufnr, bang)
   end
 
   bufnr = bufnr or api.nvim_get_current_buf()
+  if not api.nvim_buf_is_valid(bufnr) then
+    return
+  end
   local bufname = api.nvim_buf_get_name(bufnr)
   local filepath = utils.canonical_path(vim.fn.fnamemodify(bufname, ":p"))
   if not is_file_readable(filepath) then

lua/nvim-tree/view.lua

@@ -76,7 +76,7 @@ end
 local function wipe_rogue_buffer()
   for _, bufnr in ipairs(a.nvim_list_bufs()) do
     if not matches_bufnr(bufnr) and a.nvim_buf_get_name(bufnr):match "NvimTree" ~= nil then
-      return pcall(a.nvim_buf_delete, bufnr, { force = true })
+      pcall(a.nvim_buf_delete, bufnr, { force = true })
     end
   end
 end