refactor(#2826): remove view debug/cc, enable new codepaths for get_winid and get_bufnr (#3169)

* refactor(#2826): fuller error messages

* refactor(#2826): winnr->winid in view/globals, remove redundant get_winid and get_bufnr calls

* refactor(#2826): winnr->winid consistently

* refactor(#2826): consistent use of buffer registry, tidy, add todos

* refactor(#2826): remove unnecessary view members float, hide_root_folder; use explorer opts

* refactor(#2826): remove unused view members centralize_selection and preserve_window_proportions

* refactor(#2826): remove unused view member height

* refactor(#2826): temporarily reuse BUFNR_PER_TAB in view constructor

* refactor(#2826): get_winid returns new after consistency check

* refactor(#2826): globals.TABPAGES -> WINID_PER_TAB

* refactor(#2826): consistent naming of tabid

* refactor(#2826): more consistency checking

* refactor(#2826): more consistency checking

* refactor(#2826): move global CURSORS to view member

* Revert "refactor(#2826): move global CURSORS to view member"

This reverts commit d84dfad1c3.

* refactor(#2826): move global CURSORS to view member

* refactor(#2826): consistency check returns new

* refactor(#2826): remove consistency checks, enabling new path for view get_winid and get_bufnr

* refactor(#2826): restore CURSORS global

lua/nvim-tree/explorer/init.lua

@@ -105,12 +105,9 @@ function Explorer:create_autocmds()
     vim.api.nvim_create_autocmd("WinLeave", {
       group = self.augroup_id,
       pattern = "NvimTree_*",
-      callback = function(data)
-        if self.opts.experimental.multi_instance then
-          log.line("dev", "WinLeave %s", vim.inspect(data, { newline = "" }))
-        end
+      callback = function()
         if utils.is_nvim_tree_buf(0) then
-          self.view:close(nil, "WinLeave")
+          self.view:close()
         end
       end,
     })
@@ -172,10 +169,7 @@ function Explorer:create_autocmds()
   vim.api.nvim_create_autocmd("BufWipeout", {
     group = self.augroup_id,
     pattern = "NvimTree_*",
-    callback = function(data)
-      if self.opts.experimental.multi_instance then
-        log.line("dev", "BufWipeout %s", vim.inspect(data, { newline = "" }))
-      end
+    callback = function()
       if not utils.is_nvim_tree_buf(0) then
         return
       end
@@ -554,7 +548,7 @@ end
 ---nil on no explorer or invalid view win
 ---@return integer[]|nil
 function Explorer:get_cursor_position()
-  local winnr = self.view:get_winnr(nil, "Explorer:get_cursor_position")
+  local winnr = self.view:get_winid()
   if not winnr or not vim.api.nvim_win_is_valid(winnr) then
     return
   end