fix(#2879): remove unnecessary tree window width setting to prevent unnecessary :wincmd = (#2881)

lua/nvim-tree/view.lua

@@ -346,16 +346,20 @@ function M.resize(size)
     return
   end
 
+  local winnr = M.get_winnr() or 0
+
   local new_size = get_width()
-  vim.api.nvim_win_set_width(M.get_winnr() or 0, new_size)
-
-  events._dispatch_on_tree_resize(new_size)
 
+  if new_size ~= vim.api.nvim_win_get_width(winnr) then
+    vim.api.nvim_win_set_width(winnr, new_size)
     if not M.View.preserve_window_proportions then
       vim.cmd ":wincmd ="
     end
   end
 
+  events._dispatch_on_tree_resize(new_size)
+end
+
 function M.reposition_window()
   local move_to = move_tbl[M.View.side]
   vim.api.nvim_command("wincmd " .. move_to)