refactor(#2826): move view to instanced window class (#3153)

* refactor(#2826): singleton View class, WIP

* refactor(#2826): singleton View class, WIP

* refactor(#2826): singleton View class, WIP

* refactor(#2826): singleton View class, WIP

* refactor(#2826): singleton View class, WIP

* refactor(#2826): singleton View class, WIP

* refactor(#2826): singleton View class, WIP

* refactor(#2826): singleton View class

* refactor(#2826): View is an Explorer member

* refactor(#2826): move autocmds to Explorer

* refactor(#2826): API uses Explorer's View

* refactor(#2826): move View into Explorer package

* refactor(#2826): retain necessary view globals

* refactor(#2826): move all winhl to appearance constants

* refactor(#2826): add lifecycle logging to all Explorer members

* refactor(#2826): fix bad cherry-pick

* refactor(#2826): better enumerate_options function

* refactor(#2826): add View.tab_line for debugging

* refactor(#2826): default lifecycle log off

* refactor(#2826): add experimental.multi_instance_debug, split globals out of view, move diagnostics to its own module

* refactor(#2826): instrument View:get_winnr

* refactor(#2826): instrument View:setup_tabpage

* refactor(#2826): instrument View:set_current_win, View:prevent_buffer_override

* refactor(#2826): instrument View:get_bufnr

* refactor(#2826): track member bufnr -> winid with global

* refactor(#2826): tidy experiment names and logs

* vim: nvim-tree: track bufnr via buffer-update channel

* vim: nvim-tree: more logging

* vim: nvim-tree: revert: track bufnr via buffer-update channel

* refactor(#2826): notify error on view winid and bufnr mismatches

* refactor(#2826): notify error on view winid and bufnr mismatches

* refactor(#2826): explorer init logging

lua/nvim-tree/actions/root/change-dir.lua

@@ -85,7 +85,7 @@ M.force_dirchange = add_profiling_to(function(foldername, should_open_view)
     if should_change_dir() then
       cd(M.options.global, foldername)
     end
-    core.init(foldername)
+    core.init(foldername, "change-dir")
   end
 
   if should_open_view then